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30 Cards in this Set
- Front
- Back
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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 is the FM concerning the M4 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 waeapon?
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Make sure you clear it
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Name the five phases in Basic Rifle Marksmanship
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1. Preliminary Rifle Instruction
2. Downrange Feedback 3. Field Fire 4. Advanced Rifle Marksmanship 5. 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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1. Steady Position
2. Proper Aim (Sight Picture) 3. Breathing 4. Trigger Squeeze |
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During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
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1. Individual Foxhole supported
2. Basic Prone Unsupported |
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What are the two basic elements of the Sight Picture?
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1. Sight Alignment
2. Placing of the Aiming Point |
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What does the Acronym S.P.O.R.T.S 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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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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Describe the proper procedures for applying remedial action with the M4
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1. Try to place the weapon on safe
2. Remove the magazine 3. Lock the bolt to the rear 4. Place the weapon on safe if not already done |
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Describe the proper procedures for applying immediate action witht he M4
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1. Slaps gently upward on the magazine to ensure it is fully seated, and the magazine follower is not jammed.
2. Pulls the charging handle fully to the rear. 3. Observes for the ejection of a live round or expended cartridge. (If the weapon fails to eject a cartridge, perform remedial action). 4. Releases the charging handle (do not ride it forward). 5. Taps the forward assist assembly to ensure bolt closure. 6. Squeezes the trigger and tries to fire the rifle. |
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Is SPORTS an Immediate or Remedial Action?
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Immediate Action
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How many times should immediate action be applied to a weapon?
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Once. If the 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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Name the different categories of malfunctions on the M4.
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1. Failure to feed, chamber or lock
2. Failure to fire cartridge 3. Failure to Extract 4. Failure to Eject |
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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 theM4 rifle?
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1. M193-Ball
2. M195-Trace 3. M199-Dummy 4. M200-Blank (Violet tip and 7 petal rose crimp) 5. M855-Ball (Green tip) 6. M856-Tracer (Red tip) 7. M862-Short range Training Ammunition (plastic with a Blue tip) |
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Describe the weights of the M4 Rifle.
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1. Without Magazine and Sling - 6.49 pounds
2. With Sling and a loaded 20 round magazine - 7.19 pounds 3. 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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1. Semiautomatic-45 rounds per minute
2. Burst-90 rounds per minute 3. 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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1. Maximum Range-3,600 meters
2. Max Effective Range for a Point Target-550 meters 3. Max Effective Range for an Area Target-800 meters |
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Describe the Barrel Rifling for the M4 Rifle.
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Right hand twist 1/7
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What is the basic load of ammunition for the M4 rifle?
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210 Rounds total (7 magazines with 30 Rounds each)
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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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1. Buttstock Closed - 29.75 inches
2. Buttstock Open - 33.00 inches |
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What are the 8 steps in the functioning of the M4 rifle?
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1. Feeding
2. Chamebering 3. Locking 4. Firing 5. Unlocking 6. Extracting 7. Ejecting 8. Cocking |
