Firearms – Breech loading – Sliding breechblock
Patent
1975-09-26
1977-11-22
Jordan, Charles T.
Firearms
Breech loading
Sliding breechblock
42 49A, 42 69B, 89 29, F41C 1100, F41C 2110, F41C 2500
Patent
active
040589226
ABSTRACT:
A conversion system is disclosed for adapting a rifle to fire ammunition of ifferent shape or type than that for which the rifle was designed. The conversion system includes a modified bolt with suitable supports for mounting the same in a rifle receiver in place of the standard rifle bolt. A novel magazine is included for cooperative action with the modified bolt to assure accurate feeding of the different ammunition. Safety features such as prevention of double firing and open bolt retention for inspection after firing the last round is emphasized. Bolt carrier travel on recoil to insure cocking is less than that required to feed the next round into the chamber to prevent double firing. A vertical surface on the bolt engages the rifle's bolt catch to hold the bolt out of battery for visual inspection of the rear of the rifle chamber.
REFERENCES:
patent: 2900877 (1959-08-01), McClenahan
patent: 3044203 (1962-07-01), Wilhelm et al.
patent: 3079718 (1963-03-01), Allyn
patent: 3771415 (1973-11-01), Into et al.
patent: 3776095 (1973-12-01), Atchisson
Elbe Ronald E.
Krolak Donald W.
Vernon Philip L.
Card, Jr. Harold H.
Edelberg Nathan
Jordan Charles T.
Richardson Robert O.
The United States of America as represented by the Secretary of
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