Dual range projectile and launching device and disposable launch

Firearms – With adjustable head space – By reaming

Patent

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Details

42 1G, 42 1MH, F41C 2706

Patent

active

039568431

ABSTRACT:
A launching tube accommodating a projectile and a propellant charge containing percussion cap or primer is mounted on a handle; releasably retained in position by magnetic means or a mechanical detent. The handle contains a spring powered firing pin adapted to strike the percussion cap, igniting the propellant charge to launch the projectile. The launching tube is provided with one or more gas vent ports which are normally covered by pressure sensitive tape for long range launchings. Removal of the tape vents a portion of the propellant gases for short range launchings. The firing pin is permitted a limited degree of over travel beyond the point of impact with the precussion cap or primer to absorb recoil and to automatically eject the launching tube.

REFERENCES:
patent: 1663834 (1928-03-01), Goss
patent: 1897992 (1933-02-01), Ailes
patent: 3243909 (1966-04-01), Kotikov
patent: 3315397 (1967-04-01), Gilliam et al.
patent: 3820462 (1974-06-01), Jackson, Jr.

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