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M4 Carbine
5.56 Semiautomatic Rifle
Question | Answer |
---|---|
What is the field manual concerning the M4 rifle? | FM 3-22.9 |
What is the first thing you should do when you handle a weapon? | Make sure you clear it |
What are the four fundamentals of marksmanship? | 1.Steady Position 2.Proper Aim (Sight Picture) 3.Breathing 4.Trigger Squeeze |
What are the two basic elements of the Sight Picture? | 1.Sight Alignment 2.Placing of the Aiming Point |
What does the acronym SPORTS stand for? | Slap, Pull, Observe, Release, Tap and Squeeze |
What is remedial action? | Remedial action is the continuing effort to determine the cause for a stoppage normal function and to try to clear the stoppage once it has been identified. |
Describe the proper procedures for applying remedial action with the M4. | 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 |
Describe the proper procedure for applying immediate action with the M4. | LOOK ON PAGE 1 |
Is SPORTS an Immediate or Remedial Action? | Immediate action |
What is immediate action? | Immediate action involves quickly applying a possible correction to reduce a stoppage without performing troubleshooting procedures to determine the actual cause.(SPORTS) |
How many times should immediate action be applied to a weapon? | Once. (If Rifle still fails to fire, apply remedial action) |
What is a malfunction? | The weapon ceasing to fire due to a stoppage resulting from mechanical failure of the weapon, magazine or ammo. |
Name the different categories of malfunctions for the M4 Rifle. | 1.Failure to feed, chamber or lock 2.Failure to fire cartridge 3.Failure to Extract 4.Failure to Eject |
What is stoppage? | A stoppage is a failure of an automatic or semiautomatic firearm to complete the cycle of operation. |
How do you clear a stoppage? | Apply immediate or remedial action |
What is the definition of Maximum Effective Range? | The greatest distance at which a soldier may be expected to deliver a target hit. |
What does CLP stand for? | 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 |
Describe the M4 Rifle. | A 5.56 mm, magazine fed, gas-operated, air-cooled, semiautomatic or three-round burst, hand-held, shoulder-fired weapon. |
What are the 7 types of ammunition that can be used with the M4 Rifle? | M193 – Ball; M196 – Tracer; 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) |
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. | 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 |
Describe the max effective rates of fire for the M4 Rifle. | Semiautomatic - 45 rounds per minute Burst - 90 rounds per minute Sustained - 12-15 rounds per minute |
What is the muzzle velocity of the M4 Rifle? | 2,970 feet per second |
Describe the ranges for the M4 Rifle. | Maximum Range - 3,600 meters Max Effective Range for a Point Target - 500 meters Max Effective Range for an Area Target - 600 meters |
Describe the Barrel Rifling for the M4 Rifle. | Right hand twist 1/7 |
What is the basic load of ammunition for the M4? | 210 Rounds total. (7 magazines with 30 rounds in each) |
The elevation knob adjusts the point of aim for the M4 Rifle how much? | 300 to 600 meters |
What is the overall length of the M4 Rifle? | Buttstock Closed - 29.75 inches Buttstock Open - 33.00 inches |
What are the four positions for the buttstock of the M4 Rifle? | 1.Closed 2.1/2 Open 3.3/4 Open 4.Full Open |
What are the 8 steps in the functioning of the M4 rifle? | 1.Feeding 2.Chambering 3.Locking 4.Firing 5.Unlocking 6.Extract ing 7.Ejecting 8.Cocking |
What part of the M4 Rail Adapter System may be removed to perform PMCS? | Only the Lower Assembly |
Describe the procedures for clearing the M4 Rifle. | LOOK ON PAGE 2 |
How do you perform a functions check on the M4 Rifle? | LOOK ON PAGE 3 |
Name the five phases in Basic Rifle Marksmanship. | Preliminary Rifle Instruction; Downrange Feedback; Field Fire; Advanced Rifle Marksmanship; Advanced Optics, Laser and Iron Sights |
What is the purpose of a weaponeer? | LOOK ON PAGE 3 |
During Preliminary Marksmanship Training (PMI), what are the only two positions taught? | Individual Foxhole supported Basic Prone unsupported |
What are the steps required in order to mechanically zero the M4? | LOOK ON PAGE 1 |
What are the steps required in order to battle sight zero the M4? | LOOK ON PAGE 2 |