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A closed flash hole prevents propellent powder from entering the priming mixture chamber. Fine grain propellent powder may then be used without having ...
A handloader tool for use in the fabrication of cartridge shells. The tool accomplishes uniform flash hole sizing. The tool includes a depth gage section which ...
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In accordance with this invention, therefore, the flash hole is closed by a disc 11 which may be conveniently located between the anvil and the end of the battery ...
United States Patent 3,363,563 PRIMER HAVING CLOSED FLASH HOLE MEANS George R. Eckstein, Fairfield, Conm, assignor to Remington Arms Company, ...
An improved cartridge case flash hole uniformer having a hardened self-cleaning reaming and chamfering blade for use either as a hand tool or with a power ...
"The objective of this research is to determine the effect of dimensional and positional changes of the primer flash hole on the performance of factory-grade rifle ...
A flash hole is arranged between the propellant charge and the ejector charge, and an ignition jet conducting tube is disposed coaxially within the ejector charge ...
A mechanism to replace the flash hole structure of either breech or muzzle loading percussion firearms to allow firing with metallic cartridge primers of present ...
United States Patent Christensen June 5, 1973 CARTRIDGE FLASH HOLE INSPECTION APPARATUS Inventor: George L. Christensen, Los Ange- 1es,Calif .
