US PATENT SUBCLASS 42 / 79
.~ Choke devices

Current as of: June, 1999
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42 /   HD   FIREARMS

76.01  DF  BARRELS {4}
79.~ Choke devices

DEFINITION

Classification: 42/79

Gun muzzle constructions or muzzle attachments designed to prevent the shot scattering when the charge leaves the gun.