2003 US Army BRADLEY GUNNERY 503p.pdf - Survival Books

FM 3-22.1Figure 2-3. The M242 25-mm gun's eight cycles of function.2-2. M240C 7.62-MM COAXIAL MACHINE GUNThe BFV crew uses the M240C 7.62-mm coaxial machine gun to engage enemypersonnel, infantry crew-served weapons, antitank guided missile teams, and unarmoredvehicles (Figure 2-4). The coax machine gun is a belt-fed, gas-operated, fully automaticweapon with a maximum effective range of 900 meters (tracer burnout). The coaxmachine gun mounts on the right side of the turret, in front of the Bradley commander's(BC's) position. The BC can reach the coax machine gun easily through access doors.The coax machine gun has three rates of fire: cyclic, sustained, and rapid.a. Cyclic Rate. At this rate, the gun fires 650 to 950 rounds a minute; the gunnermust change the barrel every minute.b. Sustained Rate. At this rate, the gun fires 100 rounds a minute, with 4 to 5seconds between each burst. The gunner must change the barrel every 10 minutes (TM 9-2350-284-10-2).c. Rapid Rate. At this rate, the gun fires 200 rounds a minute, with 2 to 3 secondsbetween each burst. The gunner, must change the barrel every 2 minutes.2-4