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When fired from a 20 in (510 mm) barrel at ranges of up to 300 feet (100 m), the thin-jacketed lead-cored round traveled fast enough (above 2,900 ft/s (880 m/s)) that the force of striking a human body would cause the round to yaw (or tumble) and fragment into about a dozen pieces of various sizes thus created wounds that were out of proportion ...
Rapid or sustained rate of fire may be considered a weapon's absolute maximum firing rate. The term sustained refers to firing a fully-automatic weapon continuously, while rapid is limited to semi-automatic or manually operated firearms. Rapid and sustained fire are usually reserved for close-range defense against ambushes or human wave attacks ...
The 42-inch-long weapon, nicknamed “The Pig,” could spit out a sustained rate of fire at 100 rounds per minute, but this extreme rate meant the barrel had to be swapped out about every 10 ...
Complementing the 16-in/50 caliber Mark 7 gun was a fire control computer, the Ford Instrument Company Mark 8 Range Keeper. This analog computer was used to direct the fire from the battleship's big guns, taking into account factors including the speed of the targeted ship, the projectile's travel time, and air resistance.
Rates of fire Both the AK-47 and the M16 are select-fire weapons capable of firing in semi-automatic and full-auto, or semi-auto and 3-round-burst for the later model M16s. However, the semi-auto and 3-round-burst capabilities of the M16A2 and M4 models have less combat capability than their predecessors or AK-47-type rifles. [ 146 ]
Fire control Rear sight Forward assist Case deflector Caliber Barrel length Barrel profile Barrel twist Bayonet Lug Muzzle device AR6320 AR-15 Lightweight 4th Generation Short Ribbed S-1 A1 Yes Yes .223 REM 5.56 NATO 16 in. A1 1:9 Yes A2 AR6450 AR-15 9 mm Carbine 3rd Generation Short Ribbed S-1 A1 No Removable 9mm NATO 16 in. A1 1:10 Yes A1 AR6520
The M231 Firing Port Weapon (FPW) is an adapted version of the M16 assault rifle for shooting from firing ports on the M2 Bradley.The M16, standard infantry weapon of the time, was too long for use in a "buttoned up" APC, so the FPW was developed to provide a suitable weapon for this role.
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