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64 Cards in this Set
- Front
- Back
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What term describes the distance between the rear sight and the shooter’s aiming eye?
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Eye relief is the distance between the rear sight and the shooters eye
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In rifle marksmanship, what term describes centering the front sight post in the rear sight aperture?
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Sight Picture
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When classifying wind using the clock system, what value is given to a 3 o'clock wind?
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Full
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What method of determining wind velocity is used in a tactical situation?
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Observation
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Which pistol shooting stance allows quicker recovery of the sights on target?
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Isosceles
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Which pistol standing variation provides additional stability and control during firing?
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Weaver
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For normal ground targets, how many rounds are in each burst of fire from a medium machine gun?
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6-12
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What factor enables a machine gun on a tripod to deliver accurate overhead fire?
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The small, uniform dispersion of the cone of fire
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Approximately how many mils are in one degree?
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17.8 mils = 1 degree
.056 degree = 1 mil |
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What is the first element of an initial fire command? What is the acronym?
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ADDRAC
Alert Direction Description Range Assignment Control |
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What is the preferable maximum target width for a heavy machine gun?
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100 mils
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What term is used to describe the area on the ground upon which the cone of fire falls?
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Beaten Zone
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What classification of machine gun fire is approximately parallel to the ground where the center of the cone of fire does not rise above one meter?
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Grazing Fire
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What classification of machine gun fire is distributed in width by successive changes in the horizontal direction of the gun?
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Traverse Fire
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What classification of machine gun fire is delivered with the long axis of the beaten zone coinciding with the long axis of the target?
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Enfilade
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What is the term for areas within the maximum range of a weapon that cannot be covered by fire or observation?
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Dead space
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What is the ammunition capacity of an M240B is a linked belt fed machine gun?
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100
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What is the cyclic rate of fire for the M240B in rounds per minute?
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650-1050
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On an M240B machine gun, after the round is pushed into the chamber, what step occurs next?
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locking
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A runaway machine gun can be stopped by which of the following methods?
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Twisting or breaking the ammunition belt
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What number of rounds fired within a 2-minute period can cause a cookoff in an M240B machine gun?
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200
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What is the approximate weight (empty) of the M240 machine gun in pounds?
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27 lbs
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What is the maximum range, in feet, of the M240 machine gun?
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12,221 ft.
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What caliber is the M240 machine gun?
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.50
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What are four characteristics of a M2 .50 caliber heavy machine gun?
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A recoil-operated, air-cooled, belt-fed machine gun capable of
semiautomatic and automatic fire |
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What is the maximum effective range of the M2 .50 caliber machine gun?
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1829 m
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What is the muzzle velocity in (feet
per second) of the M2 .50 caliber machine gun? |
3050 ft/sec
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What is the firing rate of the M2 .50 caliber machine gun?
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450-600 rounds per minute
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What action is taken in order to fire a M2 .50 caliber heavy machine gun in semi-automatic mode?
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3. depress the bolt latch release and depress the trigger
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On an M2 .50 caliber heavy machine gun, headspace is the distance measured between what two parts?
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On an M2 .50 caliber heavy machine gun, headspace is the distance measured between what two parts?
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After reassembly, what two aspects of the M2 .50 caliber need to be inspected?
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Heading and Timing
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How large is an AT4?
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40 inches
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how heavy is the AT4?
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14.8 lbs
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What is the maximum effective range of the AT 4?
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2100 m
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What is condition 1 for an M2 .50 caliber machine gun?
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1. ammunition on feed tray
2. bolt forward 3. round in chamber 4. cover assembly closed |
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What is condition 2 of the M2 .50 caliber machine gun?
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Not applicable
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What is condition 3 of the M2 .50 caliber machine gun?
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1. Ammunition on feed tray
2. Bolt forward 3. empty chamber 4. cover assembly closed |
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What is condition 4 of the M2 .50 caliber machine gun?
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1. No ammunition in feed tray
2. Bolt forward 3. Empty chamber 4. Cover assembly closed |
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What is the total weight, in pounds, of an AT4 cartridge?
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4 lbs
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What action should you take first if the AT4 fails to fire?
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Release the forward safety
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In combat, after the AT4 is fired, it should be destroyed to prevent enemy use. The methods of destruction are burning, demolition, and what other actions?
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Gunfire and crushing
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(True or False) The AT4 can be fired from either the right or left shoulder.
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False right shoulder only
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To limit the possibility of malfunctions with the AT4, you should NOT use the weapon outside of what temperature range in degrees Fahrenheit?
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-40 -140
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On an M16 rifle, where is the magazine release button located?
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Right side of the weapon, top front of the trigger guard
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During assembly/disassembly of an M16, damage to what component is prevented by switching the selector to SAFE?
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the automatic sear
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A Seabee is authorized to disassemble an M16 to what level?
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Field stripping level
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While field stripping an M16 rifle, what item(s) should NOT be removed by the Seabee?
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The extractor spring
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What condition occurs when you overload the magazine used in an M16 rifle?
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It bends the lips of the magazine causing malfunctions
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What tip color(s) identify a tracer round?
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red, orange
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How many yards is the maximum effective range of the M9 service pistol?
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50 yards
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The leaf sight on an M203 grenade launcher allows the shooter to select (a) what range, and in (b) what increments, in meters?
1. (a) 100 to 350 (b) 100 2. (a) 75 to 300 (b) 75 3. (a) 50 to 250 (b) 50 4. (a) 25 to 200 (b) 25 |
3) 50 -250 in increments of 50 m
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When using an M203 grenade launcher, you should NOT engage targets within what radius, in meters, of unprotected, friendly troops?
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80 m radius
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What is the maximum effective range for an m16 rifle?
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601 yds 550 m
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What is the maximum range for an M16 rifle?
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3937 yds 3600 m
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What caliber of ammunition does an M16 use?
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.556
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What is weapons condition 1 for an M16 rifle?
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1.Safety on
2. magazine inserted 3. round in chamber 4.bolt forward |
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What is weapons condition 2 for an M16 rifle?
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not applicable
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What is weapons condition 3 for an M16 rifle?
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1.Safety on
2. magazine inserted 3. chamber empty 4.bolt forward 5. ejection port cover closed |
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What is weapons condition 4 for an M16 rifle?
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1. safety on
2. magazine removed 3. chamber empty 4. bolt forward 5. ejection port cover closed |
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What is the maximum effective range for an m4 rifle?
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547 yards (500 m)
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What is the maximum range for an m4 rifle?
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3,937 yards (3,600 m)
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How much does an m16 a1 rifle weigh unloaded?
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7.4 lbs
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How much does the m4 a1 rifle weigh unloaded?
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6.4 lbs
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What are the four golden rules to weapons safety?
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TREAT every weapon like it's loaded
KEEP the safety on until ready to fire NEVER point the weapon at anything you do not intend to shoot KEEP your finger off the trigger until ready to fire |
