Firearm barrel assembly

Details Firearm barrel assembly Firearm barrel assembly

1994-02-03

1996-01-02

Johnson, Stephen M.

Firearms

Barrels

89 1405, F41A 2112

Patent

active

054797373

ABSTRACT:
An improved firearms barrel assembly having a cartridge chamber insert disposed in the butt end of a barrel and a pin for locking the insert in the barrel. The insert has a plurality of longitudinally extending grooves for equalizing pressure across a cartridge case. The multi-component construction of the assembly facilities production of the grooves.

REFERENCES:
patent: 1309163 (1919-07-01), Walpole
patent: 2935912 (1960-05-01), Hartley
patent: 3235996 (1966-02-01), Maillard
patent: 3943821 (1976-03-01), Seifried
English Translation of German Patent No. 2045738 (Mauser-Werke AG).
English Translation of Swiss Patent No. 144607 (Surber).

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