|.38-72 Winchester Center Fire|
|Place of origin||United States|
|Designer||Winchester Repeating Arms Company|
|Manufacturer||Winchester Repeating Arms Company|
|Produced||1895 to 1936|
|Bullet diameter||.378 in (9.6 mm)|
|Neck diameter||.397 in (10.1 mm)|
|Shoulder diameter||.427 in (10.8 mm)|
|Base diameter||.461 in (11.7 mm)|
|Rim diameter||.519 in (13.2 mm)|
|Case length||2.58 in (66 mm)|
|Overall length||3.16 in (80 mm)|
|Primer type||large rifle|
|Test barrel length: 24
Source(s): The Rifle in America
The .38-72 Winchester, also known as .38-72 WCF is a rimmed, bottleneck centerfire rifle cartridge introduced in 1895 for the Winchester 1895 lever-action rifle. The original Winchester factory load consisted of a 275-grain (17.8 g) bullet at 1,480 ft/s (450 m/s). This straight-walled cartridge case was designed for black powder rather than smokeless powder.
With the introduction of superior cartridges designed for smokeless powder, the .38-72 Winchester became obsolete and was soon dropped as an optional caliber for the Winchester Model 1895 and 1885  Production of loaded cartridges by Winchester ceased in 1936.
- Sharpe, Philip B. The Rifle in America. Funk & Wagnalls: 1958, p. 748.
- Barnes, Frank C. Cartridges Of The World. Krause Publications: 1997.
- Whelen, Townsend. The American Rifle. The Century Co.: 1918, p. 43.
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