Firearms – With adjustable head space – By reaming
Patent
1979-02-28
1981-05-12
Jordan, Charles T.
Firearms
With adjustable head space
By reaming
F41C 2700
Patent
active
042663563
ABSTRACT:
A device for preventing unauthorized use of a firearm comprises a plug adapted to be inserted at least partially into a cartridge chamber in a barrel of a firearm, a locking member which is movably connected to the plug and adapted to be inserted into a recess in the wall of a rearwardly extending integral portion of the barrel to prevent removal of the plug from the cartridge chamber by acting against a rear wall of said recess, and a lock by which the locking member may be locked in relation to the plug in a position in which it projects into said recess.
REFERENCES:
patent: 2530560 (1950-11-01), Young
patent: 2997802 (1961-08-01), Robbins
patent: 3089272 (1963-05-01), McKinlay
patent: 3765115 (1973-10-01), Johansson et al.
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