Staged gas system

Details Staged gas system Staged gas system

1990-09-12

1993-01-05

Carone, Michael J.

Ordnance

Automatic

Gas piston type

F41A 522

Patent

active

051773201

ABSTRACT:
As the primary mass is driven by gas trapped from the barrel of a weapon being fired, it unlocks the bolt and carries it rearward to start the cycling action to operate the weapon. Until the bolt is unlocked a smaller area of the primary mass is exposed to the gases and a larger area is used after the unlocking and the secondary mass is contacted.

REFERENCES:
patent: 2409225 (1946-10-01), Schaich
patent: 2800059 (1957-07-01), Miller
patent: 2987968 (1961-06-01), Janson
patent: 3024706 (1962-03-01), Wild
patent: 3715955 (1973-02-01), Folley et al.
patent: 3982468 (1976-09-01), Browning
patent: 4702146 (1987-10-01), Ikeda et al.

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