Firearm

Details Firearm Firearm

2011-07-12

2011-07-12

Hayes, Bret (Department: 3641)

Ordnance

Automatic

Gas piston type

C089S192000, C089S193000, C042S069020, C042S006000

Reexamination Certificate

active

07975596

ABSTRACT:
An improvement to a firearm of the character having an upper receiver, an operating rod operably associated with the upper receiver for movement between a first position and a second position, and a lower receiver connected to the upper receiver. The improvement concerns a novel bolt and barrel lock and release mechanism carried by the upper receiver and a novel trigger mechanism carried by the lower receiver.

REFERENCES:
patent: 3360878 (1968-01-01), Robinson, Jr.
patent: 4471549 (1984-09-01), Brint et al.
patent: 4505182 (1985-03-01), Sullivan
patent: 5050481 (1991-09-01), Knight et al.
patent: 6382200 (2002-05-01), Levkov
patent: 7555977 (2009-07-01), Crotty et al.
patent: 7743543 (2010-06-01), Karagias
patent: 7866310 (2011-01-01), Halmone
patent: 7886470 (2011-02-01), Doiron

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