Shot charge and wad structure for a combat shotgun

Ammunition and explosives – Cartridges – Shot

Patent

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Details

102438, 102532, F42B 708

Patent

active

048153885

ABSTRACT:
A shot charge and wad structure includes a thick-walled plastic shot wad cup having integrally connected base and continuous sidewall portions which together define a shot pocket with an open end for receiving and supporting a charge of shot. The structure also includes a shot pellet charge in the shot pocket composed of tungsten and having a hardness generally at least equal to that of the gun barrel in which a shotshell containing the pellets is to be fired. An insert disk is disposed in the pocket below and in supporting relation to the charge of shot pellets in the pocket. The disk is composed of a material, such as aluminum, having a hardness sufficient to prevent any of the pellets in the charge thereof from embedding therein or in the base portion. Instead, the charge cleanly separates from the pocket of the cup upon firing of a shotshell containing the charge. The shot pocket can be either generally square or circular in cross-section. The insert disk has a square or circular configuration adapting it to fit into corresponding square or circular pocket of the shot wad and rest on an interior surface of the base portion thereof.

REFERENCES:
patent: 3208382 (1965-09-01), Foote et al.
patent: 3264996 (1966-08-01), Rimas
patent: 3279375 (1966-10-01), Hester
patent: 3598057 (1971-08-01), Potter
patent: 3599568 (1971-08-01), Shellnutt et al.
patent: 4428295 (1984-01-01), Urs
patent: 4434718 (1984-03-01), Kopsch et al.

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