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A wad of parabolic shape, in particular for the cartridge has weights of the shotgun
A wad of parabolic shape, in particular for the cartridge has weights of the shotgun
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机译:一堆抛物线形的,特别是对于弹药来说,具有the弹枪的重量
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摘要
The parabola-shaped wad (4) is for a hunting firearm cartridge. This has a normal wad and incorporates a hollow base with a central percussion primer. Its rear face is arched in a parabola for inserting into a normal cartridge case (1). It is wedged between the normal wad (7) and the cartridge base (2). The latter is virtually parabolic inside, forming the explosion chamber containing the powder (5). The wad has a coned opening (4') and has a disc (6) on its face to press onto the other wad.
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