manufacturers to the British government as equivalent to the Mk I loading. 38/200 Mk I, using a 200 gr (13 g) lead alloy bullet with a muzzle velocity of 630 ft/s (190 m/s) and a muzzle energy of 176 ft⋅lbf (239 J), and was supplied by several U.S. The U.S.38 S&W Super Police cartridge was nearly identical to the British. 38 Colt New Police was Colt's Manufacturing Company's proprietary name for what was essentially the. 380 inch Mark IIz cartridge were theoretically phased out of British service in 1963, when the 9×19mm semi-automatic Browning Hi-Power pistol was finally issued to most British and Commonwealth forces. 38/200 Mk I and MkII/IIz cartridges interchangeably to forces deploying for combat. sources forced British authorities to issue both the. However, after the outbreak of war, supply exigencies and the need to order readily available and compatible ammunition, such as the. 38/200 Mk I loading was retained in service for marksmanship and training purposes.
#Us revolver co 38 full#
380 Mk II" or ".380 Mk IIz", firing a 180 gr (11.7 g) full metal jacket bullet. A new cartridge was therefore adopted as "Cartridge, Pistol. This was deemed satisfactory and the design for the cartridge was accepted as the ".38/200 Cartridge, Revolver Mk I".Īfter a period of service, it was realized that the 200 gr (13 g) soft lead bullet could arguably contravene the Hague Conventions, which outlawed the use of bullets designed so as to "expand or flatten easily in the human body". The relatively low velocity allowed all of the energy of the cartridge to be spent inside the human target, rather than the bullet passing through. In tests performed on cadavers and live animals, it was found that the lead bullet, being overly long and heavy for its calibre, become unstable after penetrating the target, somewhat increasing target effect. 38 S&W but with 2.8 grains (0.18 g) of "Neonite" nitrocellulose powder and a 200 grain (13.0 g) bullet. 455), Kynoch produced a cartridge with the same dimensions as the. 38 S&W cartridge dimensions for their revolver, and the cartridge length was fixed by the size of the cylinder of the revolver (the same as for the wider. It received favorable reports, and the revolver was accepted in principle.Īs Webley had used the. 38 S&W ammunition, firing a heavy 200-grain (13 g) bullet. Webley demonstrated a lighter version of their Mk III revolver with modified. Īfter World War I, the British military sought to replace pre-war revolvers with easier to handle weapons. The round was first introduced in 1877 for use in the S&W. īritish Enfield No.2 Mk I* DA-only service revolver in. 38 Special due to a different case shape and slightly larger bullet diameter. Though similar in name, it is not interchangeable with the later. Versions of the cartridge were the standard revolver cartridges of the British military from 1922 to 1963. 38/200, is a revolver cartridge developed by Smith & Wesson in 1877. 38 S&W Short (it is sometimes referred to as. 380" Revolver Mk IIz cartridges (and separate cartridges)
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