Conversion kit for semi-automatic carbines

Details Conversion kit for semi-automatic carbines Conversion kit for semi-automatic carbines

1978-04-17

1980-09-02

Bentley, Stephen C.

Ordnance

Automatic

Convertible gun operation

42 49A, 42 77, 89197, F41D 703

Patent

active

042200717

ABSTRACT:
A conversion system for .30 caliber semi-automatic carbines permits selective use with .22 caliber ammunition. Modified barrel, bolt, operating slide and magazine sub-assemblies easily replace the corresponding original sub-assemblies to provide for direct blow-back operating slide actuation with .22 caliber ammunition. The replacement parts are of such simplified construction as permits manufacturing and sales as a conversion kit at a fraction of the original cost of the .30 caliber carbine to be converted. The conversion technique also provides for the independent manufacture of a unique .22 caliber semi-automatic carbine having the general appearance and "feel" of the standard .30 caliber M1 carbine.

REFERENCES:
patent: 681481 (1901-08-01), Johnson
patent: 2027892 (1936-01-01), Williams
patent: 2329273 (1943-09-01), Kelly
patent: 2452510 (1948-10-01), Wallenberg
patent: 3776095 (1973-12-01), Atchisson
patent: 4003292 (1977-01-01), Christakos
patent: 4127056 (1978-11-01), Kart

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