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The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the US military , with decisions to largely replace the M16 rifle in US Army (starting 2010) and US Marine Corps ...
British nomenclature differed from that employed by the U.S. [a] The M4 Sherman was used by many of America's allies and continued to see service long after World War II. A 24-volt electrical system was used in the M4. [43] Early Shermans mounted a 75 mm medium-velocity general-purpose gun.
M4 (76) = Medium M4 Sherman with 76 mm M1-series gun; M4 (105) = Medium M4 Sherman with 105 mm howitzer; M10 GMC = M10 Gun Motor Carriage with 3" M7 gun; M36 GMC = M36 Gun Motor Carriage with 90 mm M1 gun; M7 HMC = M7 Howitzer Motor Carriage, M3 (Grant) or M4 (Sherman) hull with 105 mm howitzer in forward-facing mount. Given the service name ...
The M4's 14.5-in. barrel length reduces muzzle velocity to about 2900 ft/s. [151] This reduced wounding ability is one reason that, despite the Army's transition to short-barrel M4s, the Marine Corps has decided to continue using the M16A4 with its 20-inch barrel as the 5.56×45mm M855 is largely dependent upon high velocity in order to wound ...
M4 or M-4 most often refers to: M4 carbine, an American carbine; M4 Sherman, an American World War II medium tank; M4, M04, or M-4 may also refer to:
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The M4's 14.5" barrel length reduces muzzle velocity to about 2900 ft/s. [193] This reduced wounding ability is one reason that, despite the Army's transition to short-barrel M4s, the Marine Corps has decided to continue using the M16A4 with its 20″ barrel as the 5.56×45mm M855 is largely dependent upon high velocity to wound effectively.
The Bradley is highly capable in cross-country open terrain, in accordance with one of the main design objectives of keeping pace with the M1 Abrams main battle tank. The Bradley was initially designed to float by deploying a flotation curtain around the vehicle, allowing it to "swim" at a speed of 4.5 mph (7.2 km/h). Later armor upgrades have ...