After a free movement of about 22 mm (.9 inch) the bolt carrier swings the locking piece up from the locking recesses in the receiver, and thus unlocks the bolt.

• 在大约 22 毫米的一次自由运动之后 (.；9 寸) 门闩运送者摇摆锁定块在从锁定上面接收器的休息；而且如此开启门闩。