1990年代初期的海豹，使用可能是RO727的卡宾枪. 在 M4 装备部队后，柯尔特又设计了一种用皮卡汀尼导轨代替固定提把的平顶型机匣，方便安装模块化的瞄准装置。 在 1994 年 8 月这项改 …

With the 4-position buttstock fully retracted, the Colt M4 Carbine is less than 30.5 in (77.5 cm) in length and weighs only 6.8 lb (3.08 kg) - ideal for tactical deployment and traditional patrol. …

Designed specifically for lightweight mobility, speed of target acquisition, and potent firepower capability. The M4 can be comfortably carried, yet be instantly available to provide the level of …

Designed with accuracy in mind, its true free-floating barrel provides the enhanced accuracy necessary for long-range acquisition capability. Features. WARNING: Cancer and …

2008年10月18日 · RO977 - Commercial/export sales version of M4 Carbine, usually with S-1-A FCG though a burst FCG can be installed, and for all intents and purposes identical to the …

2007年3月10日 · The 6921HB is a 14.5" SOCOM profile (heavier) M4 style barrel, semi auto SBR. The RO977 is a 14.5" export model of a M4 carbine and is select fire. The RO920 is the …

一般我们提到M4A1而不是M4时，就是指的平顶机匣的Colt RO977那么它的提把就是一个装在导轨上面的附加组件。可以卸掉换成别的瞄具

Colt manufactured flat top upper receiver with M4 Gov't profile barrel. Includes TROY quad rail picatinny handguard, with some small scuffs and marring from factory wear. Receiver marked …

Colt flat top upper receiver with Socom heavy profile barrel and standard oval handguards. Receiver marked with Square forge marking, barrel is marked 13629 MP 5.56 NATO 1/7. M4 …

RO977 M16A3 (M4) RO977M16A3M4: 1005-01-438-1838: Rifle, 5.56 millimeter: Special Features: 1 in 7 in. rifling twist; safe, semiauto and full auto fire control; complete with 30 round …