Weapon conversion apparatus

Details Weapon conversion apparatus Weapon conversion apparatus

1977-09-06

1979-10-02

Jordan, Charles T.

Firearms

Breech loading

Sliding breechblock

42 49A, F41C 1100

Patent

active

041693299

ABSTRACT:
Apparatus for converting a firearm of a first caliber to fire cartridges of a second caliber. The regular bolt assembly of the firearm is removed and replaced with a conversion bolt assembly having a flat receiver plate which is bifurcated to provide a pair of flat rails. A bolt assembly is supported for movement along the rails, out of contact with the receiver of the firearm. The receiver plate of the conversion bolt assembly extends forwardly from a backplate which accurately locates the conversion assembly within the firearm, and the receiver plate is tilted to clear the conventional ejection port of the firearm. The conversion bolt assembly includes an automatic sear trip which enables full-automatic firing of second caliber cartridges on firearms that are so equipped, and also includes a weight for improved full-automatic operation. The disclosed embodiment is designed for use with an M-16 or AR-15 rifle.

REFERENCES:
patent: 3771415 (1973-11-01), Into et al.
patent: 3776095 (1973-12-01), Atchisson
patent: 4008537 (1977-02-01), Elbe
patent: 4058922 (1977-11-01), Elbe et al.
patent: 4069608 (1978-01-01), Jurek
patent: 4098016 (1978-07-01), Foote

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