lightweight bolt carrier 轻量级螺栓承运人
bolt carrier key 枪闩匙
carrier bolt 承载架螺栓
drawbar carrier bolt 牵引杆托螺栓
draw bar carrier bolt 牵引杆托板螺栓
draw-bar carrier bolt 牵引杆托螺栓
The cocking handle is attached to the right side of the bolt carrier and reciprocates when gun is fired.
在握把附于承运人的螺栓和右侧的回访时，枪开火。
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。
Loose the bolt, adjust the small hooks on both ends until they are parallel to the cotton carrier.
松开螺栓，调整光辊两端的的小搭钩，使之与卷棉平行。
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