Firearm and firearm conversion unit

Details Firearm and firearm conversion unit Firearm and firearm conversion unit

1984-04-13

1986-04-08

Brown, David H.

Ordnance

Automatic

Convertible gun operation

8918702, 8919101, 42 77, F41D 508, F41C 1106

Patent

active

045804842

ABSTRACT:
A unit is disclosed for use in converting a blowback autoloading pistol, such as a U.S. caliber .45 model 1911, into a gas operated one with the unit being adapted for connection to the receiver of the blowback pistol after its barrel and slide are removed. The unit comprises a shroud, a barrel and a gas activated piston for operating the bolt and its lock. The hammer, constituting part of the firing mechanism carried by the receiver, cooperates with the firing pin of the conversion unit in the same way as it did with the firing pin of the autoloading pistol. Instead of being used to effect a conversion, the structure involved in the conversion unit can also be used in making a completely new gas operated pistol or other firearm.

REFERENCES:
patent: 1176873 (1916-03-01), Swebilius et al.
patent: 1563675 (1925-12-01), Tansley
patent: 2468784 (1949-05-01), Seagraves
patent: 2487198 (1949-11-01), Swebilus
patent: 2581395 (1952-01-01), Elfstrom
patent: 3069976 (1962-12-01), Stevens
patent: 3306168 (1967-02-01), Blumrick
patent: 3504594 (1970-04-01), Greeley
patent: 3724326 (1973-04-01), Day
patent: 4213261 (1980-07-01), Claypool
patent: 4373423 (1983-02-01), Moore

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