Gas pressure control device for military weapon

摘要

A control system in which the pressure control device (20) is provided with a thread (20a) allowing the device to be screwed as a closure wall into the buffer chamber (11) and/or into the end plate of the firing tube (10). The pressure control device can be adjusted in the end plate to form an annular gap (24). The pressure control device has an external thread (20a) and an internal thread (20b) for the insertion of a position plate (21). The device also has a central gas inlet (23a) and a series of outlet holes (23).