Shot gun with gas take-off

Details Shot gun with gas take-off Shot gun with gas take-off

1981-04-30

1983-08-02

Bentley, Stephen C.

Ordnance

Automatic

Convertible gun operation

89191A, 89193, 89 1K, F41D 504

Patent

active

043959377

ABSTRACT:
A shot-gun with gas take-off has a fore end stock which is movable longitudinally of the barrel and lockable selectively in each of two positions: in one position gases from the discharge of a cartridge in the gun bleed from the barrel into the chamber of a piston/cylinder unit to drive the piston to operate an arming rod of the shot gun automatically. In the other position, a valve member prevents the discharge gases from entering the cylinder chamber, these gases being vented to the external environment: the stock is rigidly locked to the piston for manual operation of the arming rod by "pump" action on the stock in the latter position.

REFERENCES:
patent: 3443477 (1969-05-01), Kaempf
patent: 3736839 (1973-06-01), Childers

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