| 摘要 |
A cartridge for use with a revolver, automatic or submachine gun which includes a casing having a substantially linear outer wall, a transition bevel at one end of the casing which terminates in an extractor groove area, the groove area is connected to a base which includes an annular rim, a primer pocket extending through the base which communicates with an interior of the casing through a flash hole, the interior including a powder charge area having a planar bottom wall extending radially outwardly from the flash hole and terminates in a substantially elliptical section, the elliptical section communicating with an end opposed to the bevel of the casing through a sloped wall and thereafter a further neck section which is adapted to receive the bullet therewithin, this last neck section being of uniform thickness and substantially parallel to the outer casing, so that upon combustion and discharging of the bullet, a thickened wall is provided along the base of the cartridge, the thickness tapering in a specified manner so as to provide a cartridge not prone to deformation, a common cause jamming in automatic type weapons.
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