| 摘要 |
<p>A self-actuating firearm (1) comprising a frame, a breechblock (9), a barrel (3) provided with a bore (5), a cylinder (13) which is associated with the barrel (3) and forms an internal chamber (11) which is connected to the bore (5) of the barrel (3), by means of a gas tap (15), and a piston (19) which is at least partially accommodated in the chamber (11) and can be actuated by the gases that arrive from the bore (5) upon firing. The piston (19) floats with respect to the cylinder (13) and the frame and comprises a portion which external to the cylinder (13) and is adapted to act with an impulsive action on the breechblock (9) in order to recock the firearm (1) upon firing. <IMAGE></p> |
