Ordnance – Automatic – Breech block lock
Patent
1992-08-28
1994-10-04
Bentley, Stephen C.
Ordnance
Automatic
Breech block lock
89128, 8919101, 42 7101, 42 25, F41A 526, F41A 1516
Patent
active
053515986
ABSTRACT:
An M16 type rifle is disclosed having a gas piston assembly with a relatively large piston area and sufficient stroke to actuate the M16 bolt carrier assembly in order to allow the M16 rifle to be chambered for short low-pressure pistol cartridges such as the 45 ACP, 10 mm, and 40 S&W. The gas piston assembly provides relatively constant contact between the piston rod and the gas carrier key of the conventional M16 bolt carrier assembly.
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Wallack, L. R., American Pistol & Revolver Design and Performance, 1978, pp. 105-107.
Chinn, George M., The Machine Gun, vol. IV, Parts X and XI, 1955, pp. 126-131, 167-168.
Bentley Stephen C.
Caddell Michael J.
Olympic Arms, Inc.
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