Market.32-20 Winchester
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.32-20 Winchester

The .32-20 Winchester / 7.94x33mmR, also known as .32 WCF , was the first small-game lever-action intermediate cartridge that Winchester produced. It was initially introduced as a black-powder cartridge in 1882 for small-game, varmint hunting, and deer. Colt produced a single-action revolver chambered for this cartridge a few years later.

Performance
This cartridge was sometimes used for deer hunting in the past, and William Lyman, the designer of rifle sights, said of it: "For large game, of course, a .32-20 W.C.F. cartridge is rather small, but it comes nearer to being an all-around cartridge in my opinion than any other." Many now consider it too light and low-powered for deer and better suited to small game and metallic silhouette. It has a good reputation for accuracy in rifles as well as the few handguns that have been chambered for it. Energy and pressure levels for handloading are determined based on the strength and condition of the firearm action to be used. Because most firearms chambered for this cartridge are older (e.g. early model Winchester Model 73 and 92 rifles as well as older Colt and Smith & Wesson revolvers) factory ammunition usually has reduced pressures from what can be achieved through handloading. Most factory ammunition exhibits ballistics of about and of energy at the muzzle with a bullet from an 18 to 20 inch rifle barrel. The performance characteristics of the cartridge listed in the sidebar should be considered maximum performance parameters obtainable, and even then only with a modern weapon designed for higher pressure loads. Factory-type loads - and reloads mimicking factory type loads - are the safe maximum loads for use in older firearms. Few, if any, companies still manufacture firearms in this caliber. ==Daughter cartridges==
Daughter cartridges
The .25-20 Winchester cartridge is simply a necked-down version of the .32-20. The .32-20 cartridge case can also be used to create 8mm French Ordnance ammunition for use in the Modèle 1892 revolver. Currently, the .32-20 is used and modified by shooters in the UK and Australia for the .310 Cadet cartridge. Modifications involve length resizing and in most cases reducing the rim thickness. Due to the .310 using a heeled projectile, the neck thickness is not too much of a concern, after first being case length resized to 1.075" (27.3 mm). Most .310 cadet chambered rifles need to have the rim of the .32-20 case reduced from 0.065" to under 0.045" (1.7 mm to 1.14 mm), to allow proper head spacing and operation of rifle. However, in the instance of a lever action .32-20 fitted with a .310 barrel, the rifle will cycle better without the case rim thickness being reduced. As home reloading is the main option for the .310, many shooters play with different case length reduction of the .32-20, anywhere from 0.875 to 1.185 (22.23 mm to 30.10 mm). ==See also==
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