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该枪是美国国际军火公司1970～1980年代在英国司登冲锋枪基础上改进而成的,其造型奇特,整个机匣呈圆筒状,下方前后分别延伸出小握把与弹匣。该枪内部结构也非常简单,并且造价低廉。与原型枪相比,MP2的主要改进之处是大幅减短枪管,并将弹匣位置从机匣左侧面改为直接插在握把内,并在机匣前端增设了一个小握把。这个小握把安装在检口喜箍上,可存放备用弹匣。小握把套箍顶部设有一体式的简易准星,而照门则由机匣尾箍上的简易缺口充当。其扳机护圈为方形,造型同样与众不同,枪口帽上开有防跳缺口。其弹匣卡笋位于握把后方,抛壳窗位于圆筒机匣上方。
The gun was developed by the United States International Arms Company based on the British Stearns sub-machine guns from the 1970s and the 1980s. Its shape is peculiar. The whole casing is cylindrical, and a small grip and a magazine are respectively extended from the front to the back. The gun’s internal structure is also very simple, and low cost. Compared with the prototype gun, MP2’s main improvement is to significantly reduce the barrel, and the magazine position from the left side of the receiver into the grip directly into the grip, and the front of the receiver with a small grip. This small grip is mounted on the checkout hoop to store the spare magazine. Small grip the top of the cuff is equipped with one-piece simple sight, while according to the door by the casing tail cuffs as a simple gap. The trigger retainer for the square shape the same distinctions, muzzle cap open anti-jump gap. The magazine card bamboo shoots located in the rear of the grip, cast shell window is located above the barrel casing.