Selectable cartridge

Details Selectable cartridge Selectable cartridge

1997-10-23

1999-03-09

Tudor, Harold J.

Ammunition and explosives

Cartridges

Having divided propelling charge

102430, 102470, F42B 500, F42B 516

Patent

active

058803971

ABSTRACT:
A selectable cartridge is provided consisting of a cartridge head, a dual-bed propellant chamber, a primer, and a tube. The invention enables the user to select a launch velocity prior to chambering the round. A high-velocity projectile is launched by mechanically rotating the base cap and rotation band such that holes along the primer align with the larger of two propellant beds. A low-velocity projectile is launched by rotating the base cap and rotating band a quarter turn from the high-velocity setting such that the holes along the primer align now align with the smaller propellant bed. The invention is suited for use in shotguns.

REFERENCES:
patent: 3283719 (1966-11-01), Grandy
patent: 4619202 (1986-10-01), Romer et al.
patent: 5400715 (1995-03-01), Roach et al.

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