Gastight seal of a gun barrel

Details Gastight seal of a gun barrel Gastight seal of a gun barrel

1984-06-06

1987-01-06

Bentley, Stephen C.

Ordnance

Practice barrels

102446, F41C 2110, F41D 1130

Patent

active

046337555

ABSTRACT:
An arrangement for gastightly sealing the gap between the cartridge chamber and the bottom of an insert which is received in a gun barrel 1 to be able to fire cartridges of a smaller caliber. The gastightness is obtained substantially by providing that the neck of the subcaliber cartridge case inserted in the cartridge chamber protrudes into the bottom of the barrel insert and that the outer surface of the neck snugly fits the cylindrical surface of the insert.

REFERENCES:
patent: 976459 (1910-11-01), Hartmann
patent: 3968726 (1976-07-01), Grimm et al.
patent: 4404765 (1983-09-01), Reudelsterz et al.

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