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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. It also made new ...
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 .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.
The front of the bullet was about 0.406–0.408" OD, the same as the case. 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.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load ...
Revolvers most commonly have 6 chambers, hence the common names of "six-gun" or "six-shooter". [45] However, some revolvers have more or less than 6, depending on the size of the gun and caliber of the bullet. Each chamber has to be reloaded manually, which makes reloading a revolver a much slower procedure than reloading a semi-automatic pistol.
The smaller "heel" at the base of the bullet was sized to fit inside the brass case at approximately .430 in. [2] Upon firing, the ductile soft lead bullet (alloys of pure to nearly pure lead were used) allowed the base of the bullet to "bump up" to first the chamber diameter in the cylinder, then jump the gap, through the forcing cone into the ...
As Webley had used 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 .455), Kynoch produced a cartridge with the same dimensions as the .38 S&W but with 2.8 grains (0.18 g) of "Neonite" nitrocellulose powder and a 200 grain (13.0 g ...