Pistol conversion from an automatic weapon

Details Pistol conversion from an automatic weapon Pistol conversion from an automatic weapon

2011-03-01

2011-03-01

Johnson, Stephen M (Department: 3641)

Ordnance

Automatic

Firing device operation or control

C089S128000, C089S142000, C042S070050

Reexamination Certificate

active

07895933

ABSTRACT:
A semi-automatic pistol is created by the modification of a fully automatic sub-machine gun Sa vz. 61. The semi-automatic pistol is constructed partly from original parts of the Sa vz. 61 sub-machine gun, i.e. barrel, receiver, trigger, trigger lever and pistol grip, partly from modified parts of Sa vz. 61 sub-machine gun, i.e. hammer, interrupter and bolt, and partly from newly manufactured parts, i.e. semi-automatic frame without a groove in the bridge for the release lever and openings in rear stop for retarder assembly and without rails for folding stock on the outside of the rear wall, and a new safety lever with holes and grooves in such a positions that only semi-automatic fire is possible in its forward position. Some parts of the Sa vz. 61 sub-machine gun are removed completely, i.e. original frame, original safety lever, release lever, folding stock and retarder group (bolt hook, weight, counterweight, spring). A method of converting an automatic sub-machine gun into a semi-automatic pistol is also described.

REFERENCES:
patent: 4176584 (1979-12-01), Thomas et al.
patent: 6240670 (2001-06-01), Findlay
patent: 2007/0266845 (2007-11-01), Polston

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