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25 Cards in this Set
- Front
- Back
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What caliber is the M4 carbine? |
5.56 mm NATO |
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What rounds are standard duty issue for the M4? |
M855 ball/M856 tracer |
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Can M193 ball and M196 tracer be safely fired in the M4? |
Yes |
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How can M855 ball ammunition be identified? |
Copper jacketed projectile with green tip |
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What is the purpose of the compensator on the M4? |
Helps keep the muzzle from rising during firing |
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What is the corrected description of the M4? |
Light weight, gas operated, air cooled, magazine fed, shoulder fired weapon |
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The cycle of operation for the M4 carbine is? |
Firing, unlocking, extracting, ejecting, cocking, feeding, chambering |
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What is the maximum effective range with the M4 "Point target"? |
500m |
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What is the maximum effective range with the M4 "Area target"? |
600m |
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What is the maximum effective rate of fire on "Semi" ? |
45 rounds per minute |
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What is the maximum effective rate of fire on "Burst"? |
90 rounds per minute |
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The M4 has a maximum range of? |
3600 m |
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What is the cycle rate of fire for the M4? |
700-970 rounds per minute |
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What is the sustained rate of fire? |
12-15 rounds per minute |
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If you pull the trigger and your M4 fails to fire, what must you do? |
Quickly apply Immediate action procedures |
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What acronym identifies the proper "Immediate Action" procedures for the M4? |
SPORTS |
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How many rounds fired continuously and rapidly through the M4 can cause the weapon to heat up? |
140 rounds |
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If after applying "Immediate Actions" to your M4, it fails to fire, what actions should be taken? |
Apply "Remedial Action" procedures |
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While applying Immediate Action you observe a round in the chamber of your M4 carbine and you suspect the weapon is hot enough to cause a cook-off, what action should you take? |
Keep your face away from the ejection port and remove the round fast. If you can't remove the round within 10 secs, remove the magazine and let the weapon cool for 15 minutes |
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What is the definition of a "Cook-off"? |
When a round self detonates from the heat buildup in a weapons chamber |
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What type malfunction is considered "extremely serious" because of the hazard to the shooter? |
Failure to extract |
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What 3 types of Lubricant are authorized for the use on the M4? |
CLP, LSA, LAW |
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What temp range requires you to use CLP, or LSA on your M4? |
-10° F and above |
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For operation under the Arctic conditions below -10° F, what lubricant must be used on the M4? |
LAW |
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When carrying the M4, which safety rules apply? |
All of the above |
