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143 Cards in this Set
- Front
- Back
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What is the FM concerning the M16/A2 Rifle?
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FM 3-22.9
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What is the first thing you should do when you handle a weapon?
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Clear it
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Name the five phases in Basic Rifle Marksmanship.
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Preliminary Rifle Instruction
Downrange Feedback Field Fire Advanced Rifle Marksmanship Advanced Optics, Laser and Iron Sights |
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What is the purpose of a weaponeer?
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The weaponeer is capable of simulating all of the BRM live fire scenarios without firing rounds. Immediate feedback is available for critiquing the soldier's application of the integrated act of firing while using the weaponeer device to include misfire procedures.
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What are the four fundamentals of marksmanship?
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Steady Position
Proper Aim (Sight Picture) Breathing Trigger Squeeze |
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During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
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Individual Foxhole supported
Basic Prone unsupported |
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What are the two basic elements of the Sight Picture?
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Sight Alignment
Placing of the Aiming Point |
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What does the Acronym SPORTS stand for?
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Slap, Pull, Observe, Release, Tap and Shoot
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What is remedial action?
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Remedial action is the continuing effort to determine the cause for a stoppage or malfunction and to try to clear the stoppage once it has been identified
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Is SPORTS an Immediate or Remedial Action?
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Immediate Action
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What is immediate action?
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Immediate action involves quickly applying a possible correction to reduce a stoppage without performing troubleshooting procedures to determine the actual cause.(SPORTS)
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How many times should immediate action be applied to a weapon?
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Once. (If Rifle still fails to fire, apply remedial action)
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What is a malfunction?
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The weapon ceasing to fire due to a stoppage resulting from mechanical failure of the weapon, magazine or ammo.
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What is stoppage?
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A stoppage is a failure of an automatic or semiautomatic firearm to complete the cycle of operation
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How do you clear a stoppage?
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Apply immediate or remedial action
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What is the definition of Maximum Effective Range?
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The greatest distance at which a soldier may be expected to deliver a target hit.
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What does CLP stand for?
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Cleaner - It contains solvents that dissolve firing residue and carbon.
Lubricant - It lays down a layer of teflon as it dries to provide lubrication. Preservative - It prevents rust from Forming. |
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What are the 7 types of ammunition that can be used with the M16/A2 Rifle?
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M193 – Ball
M196 – Trace M199 – Dummy M200 – Blank (Violet tip and 7 petal rose crimp) M855 – Ball (Green Tip) M856 – Tracer (Red Tip) M862 – Short Range Training Ammunition (Plastic with a Blue Tip) |
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What are the 8 steps in the functioning of the M16/A2 rifle?
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Feeding
Chambering Locking Firing Unlocking Extracting Ejecting Cocking |
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Describe the procedures for clearing the M16/A2 Rifle.
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Point the muzzle in a designated SAFE DIRECTION. Attempt to place selector lever on SAFE. If weapon is not cocked, lever cannot be placed on SAFE.
Remove the magazine by depressing the magazine catch button and pulling the magazine down. To lock bolt open, pull charging handle rearward. Press bottom of bolt catch and allow bolt to move forward until it engages bolt catch. Return charging handle to full forward position. If you have not done so before, place the selector lever on SAFE. Visually (not physically) inspect the receiver and chamber to ensure these areas contain no ammo. With the selector lever pointing toward SAFE, allow the bolt to go forward by pressing the upper portion of the bolt catch. Place the selector lever on SEMI and squeeze the trigger. Pull the charging handle fully rearward and release it, allowing the bolt to return to the full forward position. Place the selector lever on SAFE. Close the ejection port cover. |
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How do you perform a functions check on the M16/A2 Rifle?
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Place the selector lever on safe. If the selector switch will not go on safe, pull the charging handle to the rear and release. Place the selector lever on safe. Pull the trigger to the rear, the hammer should not fall.
Place the selector lever on semi. Pull the trigger to the rear and hold. The hammer should fall. While holding the trigger to the rear, pull the charging handle to the rear and release. Release the trigger and pull it to the rear again. The hammer should fall. Place the selector lever on burst. Pull the charging handle to the rear and release. Pull the trigger to the rear and hold. The hammer should fall. While holding the trigger to the rear, pull the charging handle to the rear three times and release. Release the trigger and pull it to the rear again. The hammer should fall. |
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What is the M2 .50 Cal machine gun used for?
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Defend against low-flying hostile aircraft, support the infantryman in both attack and defense, destroy lightly armored vehicles, provide protection for motor movements, vehicle parks and train bivouacs, and reconnaissance by fire on suspected enemy positions
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What is the weight of the M2 .50 Cal machine gun?
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84 lbs
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Which FM covers the M2 .50 Cal?
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FM 3-22.65
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What is the importance of correct headspace adjustment on the .50 Cal machine gun?
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Incorrect headspace adjustment can cause a malfunction of the gun and lead to sluggish operation or failure to function freely.
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What is the length of the barrel of the .50 Cal?
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45 inches
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What is the maximum range of the .50 Cal?
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6,764 meters
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What is the muzzle velocity of the .50 Cal?
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3,050 ft per sec
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What is the description of the .50 Cal, HB, M2 Machine Gun?
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The Browning machine gun caliber .50 HB, M2 is a belt-fed, recoil-operated, air-cooled, crew-served machine gun. The gun is capable of single shot, as well as automatic fire, and operates on the short recoil principle.
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What is the maximum effective range of the .50 Cal against point and area targets?
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Point targets Single shot- 1,500 meters
Area shot- 1,830 meters |
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To control the rate of fire on the M2, the gunner may use what methods of fire?
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Single shot
Slow Rapid Cyclic |
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Describe the Single Shot method of fire on the M2 .50 Cal
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Place the gun in the single-shot mode and engage the target with aimed shots. The machine gun is accurate out to 1,500 meters.
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Describe the Slow method of fire on the M2 .50 Cal.
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Slow fire consists of less than 40 rounds per minute, in bursts of five to seven rounds, fired at 10- to 15-second intervals.
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Describe the Rapid method of fire on the M2 .50 Cal.
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Rapid fire consists of more than 40 rounds per minute, fired in bursts of five to seven rounds, at 5- to 10-second intervals.
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Describe the Cyclic method of fire on the M2 .50 Cal.
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Cyclic fire is when the weapon fires 450 to 550 rounds per minute.
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What is the length of the .50 Cal, overall?
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Approximately 65.13 inches
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What is the cyclic rate of fire of the M2 .50 Cal?
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450-550 rounds a minute
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What type of front sight does the M2 .50 Cal have?
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A semi-fixed blade type with cover
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What type of rear sight does the M2 .50 Cal have?
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A leaf type rear sight graduated in both yards and mils
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What are the common malfunctions of the M2 .50 Cal?
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Failure to function freely
Uncontrolled automatic fire |
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What are the common stoppages of the M2 .50 Cal?
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Failure to feed
Chamber Lock Fire Unlock Extract Eject Cock |
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What are the ten major components and assemblies of the M2 .50 Cal?
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Barrel Group
Carrier Assembly Back plate Group Receiver Group Bolt Stud Cover Group Barrel Buffer Body Barrel extension group Bolt Group Driving Spring Rod Assembly |
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What are the proper procedures for performing immediate action on the M2 .50 Cal?
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Wait 5 seconds; a hangfire may be causing the misfire. In the next 5 seconds, pull the bolt to the rear (check for ejection and feeding of belt), release it, re-lay on the target, and attempt to fire. If the bolt-latch release and trigger are depressed at the same time, the bolt goes forward and the weapon should fire automatically.
If the gun again fails to fire, wait another 5 seconds, pull the bolt to the rear (engage with the bolt latch if applicable), and return the retracting slide handle to its forward position. Open the cover and remove the belted ammunition. Inspect the gun to determine the cause of stoppage. |
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A hangfire or cookoff can cause injury to personnel or damage to the weapon. To avoid these, the gunner must take the following precautions:
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Always keep the round locked in the chamber the first 5 seconds after a misfire occurs. This prevents an explosion outside of the gun in event of a hangfire.
If the barrel is hot, the round must be extracted within the next 5 seconds to prevent a cookoff. When more than 150 rounds have been fired in a 2-minute period, the barrel is hot enough to produce a cookoff. If the barrel is hot and the round cannot be extracted within the 10 seconds, it must remain locked in the chamber for at least 5 minutes, to guard against a cookoff. Keep the gun cover closed during the waiting periods. |
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If you turn the M203 windage screw one increment, how far does that move the strike of the round at 200 meters?
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1 and 1/2 meters
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What is the maximum range of the M203?
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About 400 meters
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What is the maximum effective range of the M203 against a fire team sized area target?
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350 meters
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What is the maximum effective range of the M203 against a vehicle or weapon point target?
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150 meters
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What is the minimum arming range of the 40 mm round fired from the M203?
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14 to 38 meters
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What is the rate of fire of the M203?
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5 to 7 rounds per minute
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What Field Manual covers the M203?
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FM 3-22.31
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What is the casualty radius of a M203 40 mm HE round?
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5 meters
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What are the 4 fundamentals of M203 marksmanship?
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Steady Position
Aiming Breathing Trigger Control |
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The M203 uses several fixed type, low velocity 40 mm rounds. Name some of the common types of rounds used.
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M433 – High Explosive Dual Purpose
M406 – High Explosive M83A1 (white), M661 (Green), M662 (Red) – Star Parachute M585 – White Star Cluster M713 (Red Smoke), M715 (Green Smoke), M716 (Yellow Smoke) – Ground Marker M781 – Practice M651 – Tactical CS Buckshot |
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What are the two common malfunctions of the M203?
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Failure to cock
Failure to lock |
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What are the five common stoppages of the M203?
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Failure to fire
Failure to extract Failure to eject Failure to chamber Safety Fails to stay in position |
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What are the two types of sights on the M203?
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Leaf
Quadrant |
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Describe the M203.
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The M203 grenade launcher is a lightweight, single-shot, breech-loaded, pump action (sliding barrel), shoulder-fired weapon that is attached to an M16 rifle series, or the M4 carbine series with the M203A1, and M4 carbine series with the rail system.
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At what range do you zero the M203?
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200 meters
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How must you maintain the M203 Grenade Launcher in varying climates?
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Extreme Heat: Lubricate with CLP, grade 2.
Damp or Salty Air: Clean the weapon and apply CLP, grade 2, frequently. Sandy or Dusty Air: Clean the weapon and apply CLP, grade 2, frequently. Remove excess CLP with a rag after each application. Temperatures Below Freezing: When the weapon is brought in from a cold area to a warm area, keep it wrapped in a parka or blanket, and allow it to reach room temperature gradually. If condensation forms on the weapon, dry and lubricate it at room temperature with CLP, grade 2, before returning it to cold weather. Otherwise, ice will form inside the mechanism. |
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How long should you wait before opening the breach to unload the weapon if you happen to have a misfire with the M203?
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30 Seconds
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What is the weight of the M240B?
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Approximately 27.6 pounds
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What Field Manual covers the M240B?
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FM 3-22.68 Chapter 3
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Describe the M240B.
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The M240B is a belt-fed, air-cooled, gas-operated, fully automatic machine gun that fires from the open bolt position.
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What is the sustained rate of fire for the M240B?
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100 Rounds per minute fired in 6 to 9 round bursts and 4 to 5 seconds between bursts. Barrel change every 10 minutes.
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What is the rapid rate of fire for the M240B?
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200 Rounds per minute fired in 10 to 13 round bursts and 2 to 3 seconds between bursts. Barrel change every 2 minutes.
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What is the cyclic rate of fire for the M240B?
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650 to 950 Rounds per minute fired in continuous bursts. Barrel change every minute.
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What is the maximum range of the M240B?
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3725 meters
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What is the maximum effective range of the M240B with tripod and T&E?
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1100 meters
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What is the maximum effective range of the M240B for an area target?
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Tripod – 1,100 meters
Bipod – 800 meters |
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What is the maximum effective range of the M240B for a point target?
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Tripod – 800 meters
Bipod – 600 meters |
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What is the length of the M240B?
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49 inches
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What is the maximum tracer burnout for the M240B?
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900 meters
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What types of ammunition can be used with M240B?
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M80 – Ball
M61 – Armor Piercing M62 – Tracer M63 – Dummy M82 – Blank |
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What are the proper clearing procedures for the M240B?
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Move the safety to the fire “F” position.
With his right hand, (palm up) pulls the cocking handle to the rear, ensuring the bolt is locked to the rear (bipod mode). Return the cocking handle to its forward position. Place the safety on safe “S.” Raise the cover assembly and conduct the four-point safety check for brass, links, or ammunition. Check the feed pawl assembly under the cover. Check the feed tray. Lift the feed tray and inspects the chamber. Check the space between the face of the bolt and chamber to include the space under the bolt and operating rod assembly. Close the feed tray and cover assembly and place the safety to the fire “F” position. Pull cocking handle to the rear, and pull the trigger while manually riding the bolt forward. Close the ejection port cover. |
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What are the proper procedures for performing a function check on the M240B?
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Places the safety on “F.”
Pulls the cocking handle to the rear, locking the bolt to the rear of the receiver. Returns the cocking handle to the forward position. Places the safety on “S,” and closes the cover. Pulls the trigger. (Bolt should not go forward). Places the safety on “F.” Pulls the cocking handle to the rear, pulls the trigger, and rides the bolt forward. Closes the ejection port cover. |
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What is the maximum range of the M249 (SAW)?
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3,600 meters
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What is the maximum effective range of the M249 with tripod and T+E?
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1,000 meters
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What is the maximum range of the M249 against an area target for both tripod and bipod?
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Tripod – 1,000 meters
Bipod – 800 meters |
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What is the maximum range of the M249 against a point target for both tripod and bipod?
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Tripod – 800 meters
Bipod – 600 meters |
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What does S.A.W. stand for?
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Squad Automatic Weapon
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What is the weight of the M249?
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16.41 lbs
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What is the basic load of ammunition for the M249?
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1,000 rounds (in 200 round drums)
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What is the length of the M249?
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40.87 inches
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Describe the M249.
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The M249 machine gun is a gas-operated, air-cooled, belt or magazine-fed, automatic weapon that fires from the open-bolt position.
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What FM covers the M249?
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FM 3-22.68
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What are the rates of fire for the M249?
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Sustained rate is 100 rounds per minute
Rapid rate is 200 rounds per minute Cyclic rate is 650 to 850 rounds per minute |
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What are the proper procedures for clearing the M249?
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1. Moves the safety to the fire “F” position by pushing it to the left until the red ring is visible.
2. With his right hand, palm up, pulls the cocking handle to the rear, locking the bolt in place. 3. While holding the resistance on the cocking handle, moves the safety to the SAFE position by pushing it to the right until the red ring is not visible. (The weapon cannot be placed on safe unless the bolt is locked to the rear.) 4. Returns and locks the cocking handle in the forward position. 5. Raises the cover and feed mechanism assembly, and conducts the five-point safety check for brass, links, or ammunition: (1) Checks the feed pawl assembly under the feed cover. (2) Checks the feed tray assembly. (3) Lifts the feed tray assembly and inspects the chamber. (4) Checks the space between the bolt assembly and the chamber. (5) Inserts two fingers of his left hand in the magazine well to extract any ammunition or brass. 6. Closes the cover and feed mechanism assembly and moves the safety to the “F” position. With his right hand, palm up, returns the cocking handle to the rear position. Presses the trigger and at the same time eases the bolt forward by manually riding the cocking handle forward. |
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What are the 8 major groups of the M249?
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Operating Rod Group
Barrel Group Handguard Group Buttstock and Buffer Assembly Group Trigger Mechanism Group Gas Cylinder Group Bipod Group Receiver Group |
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The M249 is loaded, fired, unloaded and cleared from what bolt position?
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The open bolt position
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How do you adjust for windage with the M249?
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Adjustments for windage are made by traversing the rear sight right and left along the sliding scale.
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How do you adjust for elevation with the M249?
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Adjustments for elevation (range) require the automatic rifleman to turn the elevation knob (closest to the buttstock) on the rear sight to the desired range setting.
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Name 3 assault firing positions used with the M249
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Shoulder
Hip Underarm |
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What are two unique features of the M249?
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It has a regulator to change the rate of fire, and it is fed by M16 magazines as well as belt fed
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What is the FM concerning the M4 Rifle?
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FM 3-22.9
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Describe the M4 Rifle.
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A 5.56 mm, magazine fed, gas-operated, air-cooled, semiautomatic or three-round burst, hand-held, shoulder-fired weapon.
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What are the 7 types of ammunition that can be used with the M4 Rifle
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M193 – Ball
M196 – Trace M199 – Dummy M200 – Blank (Violet tip and 7 petal rose crimp) M855 – Ball (Green Tip) M856 – Tracer (Red Tip) M862 – Short Range Training Ammunition (Plastic with a Blue Tip) |
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Describe the weights of the M4 Rifle without mgazine and sling, with sling and loaded 20 round magazine and with sling and loaded 30 round magazine.
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Without Magazine and Sling - 6.49 pounds
With Sling and a loaded 20 round magazine - 7.19 pounds With Sling and a loaded 30 round magazine - 7.50 pounds |
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Describe the max effective rates of fire for the M4 Rifle.
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Semiautomatic - 45 rounds per minute
Burst - 90 rounds per minute Sustained - 12-15 rounds per minute |
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What is the muzzle velocity of the M4 Rifle?
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2,970 feet per second
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Describe the ranges for the M4 Rifle
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Maximum Range - 3,600 meters
Max Effective Range for a Point Target - 500 meters Max Effective Range for an Area Target - 600 meters |
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The elevation knob adjusts the point of aim for the M4 Rifle how much?
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300 to 600 meters
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What is the overall length of the M4 Rifle?
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Buttstock Closed - 29.75 inches
Buttstock Open - 33.00 inches |
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What are the four positions for the buttstock of the M4 Rifle?
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Closed
1/2 Open 3/4 Open Full Open |
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What part of the M4 Rail Adapter System may be removed to perform PMCS?
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Only the Lower Assembly
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Describe the M9 pistol.
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The M9 pistol is a 9-mm, semiautomatic, magazine fed, recoil-operation, double-action weapon chambered for the 9-mm cartridge.
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Describe the magazine for the M9.
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A standard staggered box magazine designed to hold 15 rounds
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What is the weight of the M9 pistol with a 15 round magazine?
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2.6 pounds
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What is the basic load of ammunition for the M9?
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45 Rounds
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How many rounds can a magazine designed for the M9 hold?
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15 Rounds
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What are the two types of ammunition used by the M9?
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Cartridge, 9-mm ball, M882 with/without cannelure).
Cartridge, 9-mm dummy, M917 |
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What Field Manual covers the M9?
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FM 3-23.35
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What are the proper clearing procedures for the M9?
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Place the decocking/safety lever in the SAFE down position.
Hold the pistol in the raised pistol position. Depress the magazine release button and remove the magazine from the pistol. Pull the slide to the rear and remove any chambered round. Push the slide stop up, locking the slide to the rear. Look into the chamber to ensure that it is empty. |
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What are the steps required to perform a function check for the M9?
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Clear the pistol in accordance with the unloading procedures.
Depress the slide stop, letting the slide go forward. Insert an empty magazine into the pistol. Retract the slide fully and release it. The slide should lock to the rear. Depress the magazine release button and remove the magazine. Ensure the decocking/safety lever is in the SAFE position. Depress the slide stop. When the slide goes forward, the hammer should fall to the forward position. Squeeze and release the trigger. The firing pin block should move up and down and the hammer should not move. Place the decocking/safety lever in the fire POSITION. Squeeze the trigger to check double action. The hammer should cock and fall. Squeeze the trigger again. Hold it to the rear. Manually retract and release the slide. Release the trigger. A click should be heard and the hammer should not fall. Squeeze the trigger to check the single action. The hammer should fall. |
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How do you perform immediate action for the M9?
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Ensure the decocking/safety lever is in the FIRE position.
Squeeze the trigger again. If the pistol does not fire, ensure that the magazine is fully seated, retract the slide to the rear, and release. Squeeze the trigger. If the pistol again does not fire, remove the magazine and retract the slide to eject the chambered cartridge. Insert a new magazine, retract the slide, and release to chamber another cartridge. Squeeze the trigger. If the pistol still does not fire, perform remedial action. |
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How do you perform remedial action for the M9?
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Clear the pistol.
Inspect the pistol for the cause of the stoppage. Correct the cause of the stoppage, load the pistol, and fire. If the pistol again fails to fire, disassemble it for closer inspection, cleaning, and lubrication. |
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What are the major components of the M9?
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Slide and Barrel assembly
Recoil spring and Recoil Spring guide Barrel and Locking Block Assembly Receiver Magazine |
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What is the maximum range of the M9?
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1800 meters
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What is the maximum effective range of the M9?
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50 meters
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What are the three safety features found on the M9?
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Decocking
Safety Lever Firing Pin Block |
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What size projectile is fired from the MK19?
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40 mm
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What is a special feature of the barrel of the MK19?
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It is designed to not overheat even after prolonged firing
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What is a MK64, MOD7?
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The gun cradle for the MK19
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Describe the MK19.
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An air-cooled, blowback operated, belt-fed machine gun that is fed by a disintegrating metallic-link belt and fires 40mm grenade cartridges
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What is the length of the MK19?
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43.1 inches
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What is the maximum range of the MK19?
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2,212 meters
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What is the maximum effective range of the MK19?
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Point - 1,500 meters
Area - 2,212 meters |
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What are the rates of fire for the MK19?
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Sustained- 40 rds/min
Rapid- 60 rds/min Cyclic- 325-375 rds/min |
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What is the muzzle velocity of the MK19?
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798ft per second
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What are the two most common malfunctions of the MK19?
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Runaway gun
Sluggish action |
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When taking immediate action for a "runaway gun" with the MK19, should you ever break the ammo belt?
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no
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One click in rear site windage equals how many change?
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1 mil
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What mounts are available for the MK19?
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M3 Tripod
M4 Pedestal M66 Ring HMMWV Weapons Platform M113 APC Commander's cupola |
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Describe the sight system for the MK19.
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The MK19 has a blade-type front sight attached to the top cover assembly and a leaf-type rear sight (with an adjustable range plate) mounted on a spring dovetail base. The rear sight range plate is incremented in 100-meter intervals from 300 to 1500 meters. Range changes are made using either the slide release or the elevation wheel. The rear sight is also adjustable for windage
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What is the weight of the MK19 weapon system?
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System weight (Gun, Cradle and Tripod with feed throat) = 143 lbs
MK19 with feed throat = 78 lbs MK64 = 21 lbs M3 (tripod) = 44 lbs |
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What are the approved methods of destruction for the MK19?
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Mechanical means
Burning Gunfire Demolition Disposal |
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What FM covers the MK19?
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FM 3-22.27
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What is the average recoil force of the MK19
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500 lbs
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What is the type of ammunition fired from the MK19?
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M430 (HEDP)
M383 (HE) M918 (TP) M922 (DUMMY) |
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What are the 6 steps in the MK19 cycle of operation?
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Charging
Extracting (delinking) Cocking Firing Blowback Automatic Feeding |
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What are the proper procedures to clear a MK19?
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In a Firing Situation:
Move the safety switch to S (SAFE). Open the top cover assembly. If all the ammunition has NOT been fired, the bolt is to the rear and a round is on the bolt face. If the bolt is forward, lock it to the rear Take the ammunition from the feed tray by reaching beneath the feed tray and pressing the primary and secondary positioning pawls. While pressing the position pawls, slide the linked rounds out of the MK 19 through the feed throat. Insert a section of the cleaning rod or bayonet through either side of the receiver rail. Place it on top of the live round or cartridge case, as close to the bolt face as possible, and push down. This action forces the round out of the MK 19. Lower and pull both charger handles to the rear. Inspect the chamber and bolt face to ensure that no live rounds are in the weapon. Place the safety switch on F (FIRE) (Figure 2-6). Maintain rearward pressure on the charging handle, press the trigger and ease the bolt forward. Place the safety switch on S (SAFE |
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What are the proper procedures for performing immediate action on the MK19?
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1. The gunner ensures the safety of other personnel and clears the weapon of ammunition by performing the following steps in sequence:
Clear the area of personnel. Pull bolt to the rear. If the bolt does not go to the rear, go to BOLT JAMMED. Catch the live round as it is ejected. Push the charging handles forward and up. Put the gun on S (SAFE) and check for any bore obstructions. If bore is clear, move safety switch from the S (SAFE) to the F (FIRE) position, and attempt to fire. If nothing happens, put gun on S (SAFE) and wait 10 seconds. Pull the bolt to the rear. Catch the live round as it is ejected. Open the top cover and clear the ammunition. Check bore for any obstructions. 2. Charge the MK 19 in the normal manner and check to see the primary pawls have clicked up behind the cartridge in front of the bolt face and that the secondary pawls have clicked up behind the next round before firing. The feed pawls should click up within the 1-inch of charging handle travel. 3. If the primary and secondary pawls do not click up within the last 1-inch of charging travel, follow these procedures: Turn the MK 19 into unit level maintenance. Record ammo lot number, type of ammo, number of rounds fired, serial number of the MK 19 and indicate whether ammo is linked with one-piece or two-piece links. During Combat: Press charger handle locks and rotate charger handles down. Pull charger handles to the rear until the bolt sears. Push charger handles forward and rotate charger handles up and lock. Relay and fire. Turn in live rounds that cycled through the weapon as instructed by current directives. |
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What are the 5 Major assemblies of the MK19?
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Receiver Assembly
Feed Slide Assembly and Tray Top Cover Assembly Sear Assembly Bolt and Backplate Assembly |
