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19 Cards in this Set
- Front
- Back
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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 are the four fundamentals of marksmanship
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1. steady position
2. proper aim 3. breathing 4. trigger squeeze |
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what are the two basic elements of the sight picture
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1, sight alignment
2. plaving of the aiming point |
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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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describe the proper procedures for applying immediate action with the m4
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1. try to place the weapon on safe
2. remove the mag 3. lock the bolt to the rear 4. place the weapon on safe if not already done |
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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
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how many times shouldimmediate action be applied to a weapon
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one
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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, mag or ammo
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name the different categories of malfunctions for 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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immediate and remedial
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what does CLP stand for
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cleaner- it containes solvents that dissolve firing residue and carbon
lubricant-it lays down a layer of teflon as it dries to provide lubricantion preservative- it prevents rust from forming |
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what are the 7 types of ammunition that can be used with the m4
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ball
trace dummy blank ball (green tip) tracer (red tip) short range training ammunition (plastic with blue tip) |
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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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desbribe 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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describe the barrel rifling for the M4 rifle
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right hand twist 1/7
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the elecation knob adjust the point of aim for the m4rifle how much
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300-600 meters
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what is the overall length of the m4
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closed-29.75 inches
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 chambering 3 locking 4 firing 5 unlocking 6 extracting 7 ejecting 8 cocking |
