Buffer for firearm

Details Buffer for firearm Buffer for firearm

1997-10-09

1999-06-01

Johnson, Stephen M.

Ordnance

Automatic

Regulation of speed or rate of automatic fire

89198, 89199, 42 106, F41B 384

Patent

active

059090022

ABSTRACT:
A buffer assembly for use with firearms such as the M-16 rifle, for reducing the cyclic rate of firing in full-automatic operation. The buffer assembly includes a unit of length selected to stop the bolt carrier at the desired full-recoil position, and a mass movable relative to that unit. When the bolt carrier stops at full-recoil, inertia causes the mass to continue moving rearwardly while further compressing the action spring. The action spring then returns that mass forwardly to contact the fixed portion of the buffer assembly, returning the bolt carrier to battery position. The bolt carrier remains at rest in recoil while the moveable weight slides rearwardly and then returns forwardly relative to the bolt carrier, thereby increasing the cycle time of firing and correspondingly reducing the cyclic rate of fire for the firearm.

REFERENCES:
patent: 1019937 (1912-03-01), Whittier
patent: 2389095 (1945-11-01), Vesely
patent: 3366011 (1968-01-01), Sturtevant
patent: 3977296 (1976-08-01), Silsby et al.
patent: 4057003 (1977-11-01), Atchisson
patent: 4201113 (1980-05-01), Seecamp

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