该枪是前苏联在莫辛-纳甘M1891/30步枪基础上为其骑兵部队研制的一款短枪管型骑枪(卡宾枪)。其结构与M1891/30步枪相同,只是将枪管及护手相应缩短,仍采用旋转后拉式枪机,拉机柄旋转到机匣正上方才能向后拉动打开弹膛;固定式弹仓底盖可以打开,以便取出弹仓内剩余的枪弹,枪管下方可加装三棱刺刀。机匣采用圆柱形,整支枪外形圆润,看上去“胖乎乎”的。 The gun was a short barrel type carbine (carbine) developed by the former Soviet Union for its cavalry based on the Mosin-Nagam M1891 / 30 rifle. Its structure is the same as that of the M1891 / 30 rifle, except that the barrel and hand guard are shortened correspondingly, the rotary pull-back bolt is still used, and the handle is rotated to the position just above the receiver to pull backwards to open the bore. The fixed magazine end Cover can be opened in order to remove the remaining bullets in the magazine, barrels can be installed under the triangular bayonet. Cylinder with a cylindrical, round the whole shape of the gun looks “chubby”.