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The heeled bullet design has many advantages, mainly when coupled with the straight or slightly tapered walled cases it appeared in. For pistols, converting a cap and ball revolver to use cartridges was as simple as cutting off part of the rear of the cylinder, replacing it with a frame-mounted ring, and changing the hammer.
The case is of brass; the heeled bullet is of a hard lead alloy, fully jacketed and coated externally with a wax lubricant. Originally it was loaded with 0.7 grams (11 gr) of black powder . Similar revolver cartridges were used in the late 19th century military revolvers adopted by the armies of Belgium, Luxembourg, Sweden, Norway, and Serbia.
The Sporting Arms and Ammunition Manufacturers' Institute (SAAMI, pronounced "Sammy") is an association of American manufacturers of firearms, ammunition, and components.. SAAMI is an accredited standards developer that publishes several American National Standards that provide safety, reliability, and interchangeability standards for commercial manufacturers of firearms, ammunition, and compo
The U.S. .38 S&W Super Police cartridge was nearly identical to the British .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. manufacturers to the British government as equivalent to the Mk I loading.
The .38 Short Colt, also known as .38 SC, is a heeled bullet cartridge intended for metallic cartridge conversions of the cap and ball Colt 1851 Navy Revolver from the American Civil War era. [1] Later, this cartridge was fitted with a 0.358-inch (9.1 mm) diameter inside-lubricated bullet in the 125–135 grains (8.1–8.7 g) range. [2] [3]
The barrel was about 0.404–0.406" groove diameter. The bullet lubrication was outside the case. At 0.386–0.388" OD, The base of the bullet was smaller in diameter to fit inside the case. This is known as a "heel-base" or heeled bullet. The only modern heeled bullet is the .22 rimfire. In the mid-1890s, Colt redesigned the cartridge.
A smaller-diameter portion of the bullet, the "heel", was crimped inside the case mouth, and the lubricant was outside the case, and exposed. [a] In contrast, the .38 Long Colt uses a bullet which on the outside of the cartridge case is only .357–.358 in (9.07–9.09 mm), the bearing surface and lubricant being entirely contained within the case.
The .44 Remington Centerfire / 11.4x27mmR (often referred to as .44 Remington C.F. or .44 Remington) was a centerfire revolver cartridge with a heeled, externally lubricated bullet produced by the Remington Arms Company from 1875 until 1895.