.32-20 Winchester
American rimmed rifle/pistol cartridge / From Wikipedia, the free encyclopedia
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The .32-20 Winchester, also known as .32 WCF (Winchester center fire), was the first small-game lever-action cartridge that Winchester produced.[4] It was initially introduced as a black-powder cartridge in 1882 for small-game, varmint hunting, and deer.[5][6] Colt produced a single-action revolver chambered for this cartridge a few years later.[7]
Quick Facts Type, Place of origin ...
.32-20 Winchester | ||||||||||||||||
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Type | Rifle, revolver | |||||||||||||||
Place of origin | United States | |||||||||||||||
Production history | ||||||||||||||||
Designer | Winchester Repeating Arms Company | |||||||||||||||
Designed | 1882 | |||||||||||||||
Produced | 1882–present | |||||||||||||||
Specifications | ||||||||||||||||
Case type | Rimmed, bottleneck | |||||||||||||||
Bullet diameter | .3125 in (7.94 mm) | |||||||||||||||
Land diameter | .3051 in (7.75 mm) | |||||||||||||||
Neck diameter | .327 in (8.3 mm) | |||||||||||||||
Shoulder diameter | .342 in (8.7 mm) | |||||||||||||||
Base diameter | .354 in (9.0 mm) | |||||||||||||||
Rim diameter | .408 in (10.4 mm) | |||||||||||||||
Rim thickness | .065 in (1.7 mm) | |||||||||||||||
Case length | 1.315 in (33.4 mm) | |||||||||||||||
Overall length | 1.592 in (40.4 mm) | |||||||||||||||
Rifling twist | 1 in 20 in (510 mm) | |||||||||||||||
Primer type | Small pistol | |||||||||||||||
Maximum CUP | 16,000[1] CUP | |||||||||||||||
Ballistic performance | ||||||||||||||||
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Source(s): "Cartridges of the World", Chuck Hawks [2][3] |
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The name .32-20 refers to the 32 caliber bullet of .312-inch-diameter (7.9 mm) and standard black-powder charge of 20 grains (1.3 g).