Piston and obturator assembly for autoloading firearms

Details Piston and obturator assembly for autoloading firearms Piston and obturator assembly for autoloading firearms

1972-11-01

1976-09-28

Bentley, Stephen C.

Ordnance

Automatic

Gas piston type

89198, F41D 510

Patent

active

039824683

ABSTRACT:
In an autoloading firearm, reloading is actuated by firing gases which are tapped from near the muzzle end of the barrel into a tubular magazine secured below the barrel. A reciprocating piston located inside the magazine is connected to a reloading mechanism and is driven to actuate the mechanism by the tapped gases. A cylindrical obturator is oppositely driven by the gases to scrape the interior of the magazine and serves as a valve to vent the gases.

REFERENCES:
patent: 2144241 (1939-01-01), Eiane
patent: 3127812 (1964-04-01), Into et al.

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