Fire arm
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United States of America Patent
Stats
-
Jul 4, 1995
Grant Date -
N/A
app pub date -
Jul 15, 1994
filing date -
Jul 16, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved semi-automatic shotgun of the type contains a magazine tube (8) around which is provided a cylinder (9) whose interior part communicates with an interior part of a barrel (2) of the invention. In this cylinder (9) and around the magazine tube (8), a piston (10) can be shifted by propulsion gases. The piston cooperates with a sleeve (12) provided with a rod (13) which can act upon the whole of the moving parts (14) on the one hand, and a control or pressure control valve (11) on the other hand is situated in the piston block (10).
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