|.38 Smith & Wesson|
A box of WWII-dated .380" Revolver Mk IIz cartridges (and separate cartridges)
|Place of origin||United States|
|Designer||Smith & Wesson|
|Manufacturer||Smith & Wesson|
|Bullet diameter||.361 in (9.2 mm)|
|Neck diameter||.3855 in (9.79 mm)|
|Base diameter||.3865 in (9.82 mm)|
|Rim diameter||.440 in (11.2 mm)|
|Rim thickness||.055 in (1.4 mm)|
|Case length||.775 in (19.7 mm)|
|Overall length||1.240 in (31.5 mm)|
The .38 S&W is a revolver cartridge developed by Smith & Wesson in 1877 for use in the S&W .38 Single Action. Though similar in name, it is not interchangeable with the later .38 Smith and Wesson Special due to a different case shape and slightly larger bullet diameter.
The British military adopted a loading of this cartridge as the Cartridge, S.A., Revolver Ball, 380 in, MkI .38-200, with the "200" referring to the weight of the bullet in grains. In 1937, this cartridge was replaced in British Service by the Cartridge, S.A., Revolver Ball, 380 in, MkII. The main difference between it and the previous round was that that it had a 178 gn. FMJ bullet.
The U.S. .38 S&W Super Police cartridge was nearly identical to the British .38/200 Mk I, using a 200 grain (13 g) lead alloy bullet with a muzzle velocity of 630 ft/s (189 m/s) and a muzzle energy of 176 ft·lbf (239 J), and was supplied by several U.S. manufacturers to the British government as equivalent to the Mk I loading.
Currently no revolvers are made in this caliber, and only a few companies still manufacture ammunition. The majority that do offer it in only a 145 grain Lead Round Nose bullet, though Fiocchi still markets FMJ rounds. Some companies such as Buffalo Bore manufacture self-defense or hunting variants.
- Colt .38/200 Revolver
- Colt Police Positive Revolver
- Enfield No. 2 Mk I Revolver
- S&W Victory Revolver
- Webley Mk IV revolver
- Table of handgun and rifle cartridges
- Barnes, Frank C. (5 October 2012). Cartridges of the World: A Complete Illustrated Reference for More Than 1,500 Cartridges. Iola, Wisconsin: Gun Digest Books. p. 349. ISBN 1-4402-3059-5.
- Buffalo Bore 38 S&W (New Colt Police ) - 125 gr. Hard Cast FN 1,000 fps Retrieved 16-Aug-2013
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