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.

CHARACTERISTICS The M16A4 Service rifle and the M4 Service Carbine (M4 Service Carbine is the TO issue weapon for Corpsmen),(see figures 1-3) are 5.56mm, magazine-fed, gas-operated, air-cooled,...

经过进一步试验和改进后， XM4 在 1991 年 3 月被正式定型并命名为“美国5.56mm北大西洋公约组织口径M4卡宾枪”（The United States Carbine, Caliber 5.56mm NATO, M4）。 M4 与其他M16A2卡宾枪最明显的区别特征是其枪管在距离准星座前 25mm 的位置上加工了一个缩颈的形状，这是在后来的试验中为了挂装 M203 榴弹发射器而作出的改动。 为了能够挂装原有的M203榴弹发射器，M16A2在护木内的枪管直径与M16A1是相同的，但卡宾枪的护木较短而护木外又采 …

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue...

2015年11月1日 · The Marine Corps announced Oct. 26 that the M4 carbine will officially replace the M16A4 as the universal rifle for the infantry.

2020年10月22日 · After years of “Will they, won’t they?” the Marine Corps finally made it official with their main squeeze, the M4 Carbine. It’s the new standard weapon for Marines, replacing the M16A4. Before officially adopting it, the Corps put the M4 through extensive testing with a new round, the 5.56mm AB49 Special Operations Science and ...

2022年8月3日 · Rugged, simple, and accurate, the M4 Carbine is the standard infantry weapon of not just the Army but all of America’s ground forces. The M4 Carbine is a shorter and lighter version of the Colt M16A2 assault rifle, with 80% of parts commonality.

2017年7月21日 · The manual is a wealth of information on the basic nomenclature, maintenance, and troubleshooting of the M16/M4 series of weapons. The manual covers in detail many of the common and a few not so common issues found on the weapons and their resolution at …

2015年10月28日 · The U.S. Marine Corps has officially adopted the M4 carbine to replace the M16. An official confirmed to Military.com on Tuesday that Commandant Gen. Robert Neller has approved the decision,...

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.