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The .22 Winchester Magnum Rimfire, also known as the .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, [2] or .22 Mag, is a rimfire cartridge.Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR is now loaded with bullet weights ranging from 50 grains (3.2 g) at 1,530 feet per second (470 m/s) to 30 ...
Below is a list of rimfire cartridges (RF), ordered by caliber, small to large. Rimfire ammunition is a type of metallic cartridge whose primer is located within a hollow circumferential rim protruding from the base of its casing.
[4] [better source needed] The Thunderstruck's cylinder holds eight rounds of .22 Winchester Magnum Rimfire (.22 WMR). It has been offered with barrel lengths of 1.25 inches (32 mm) [4] [better source needed] and 1.5 inches (38 mm) [7] —the part number for both offerings is the same.
[10] [11] A 1.87-inch (47 mm) barrel version of the LCRx in .357 Magnum and a 3-inch (76 mm) barrel version in .22 Magnum and .22 LR became available in April 2017. The 1.87-inch barrel version became available as a five-shot 9mm Luger and a six-shot .327 Federal Magnum in the fall of 2017. [12]
It uses a flat-based, inside-lubricated bullet, which differs from the outside-lube heeled bullet of the .22 Short, .22 Long, .22 Long Rifle, and .22 Extra Long cartridges. [ 2 ] When introduced, the .22 WRF "was the first notable improvement in the killing power" over the .22 LR, [ 3 ] and was able to kill cleaner at up to 75 yd (69 m).
.22 Long Rifle Extra Long (LR EX), a variant of .22LR with a longer casing but identical overall cartridge dimensions (see CCI Stinger).22 Short, a cartridge used mostly in pocket pistols and mini-revolvers.22 Winchester Magnum Rimfire (WMR), a magnum cartridge that is longer and more powerful than the .22 LR
In 1977, William B. Horn introduced Federal's Premium line of centerfire rifle and shotshell ammunition. Federal also owned Hoffman Engineering, a company that made electronic enclosures. In 1985, Federal was sold to a group of private investors including Kelso & Company, BancBoston Capital, and members of the management team. The two companies ...
Both of these revolvers are stainless steel variants of the Single-Six design with fiber optic sights. The Single-Ten is chambered in .22 Long Rifle, with ten chambers and a 5.5 inch barrel, whereas the Single-Nine is chambered in .22 Winchester Magnum Rimfire (.22 WMR), with nine chambers and a barrel length of 6.5 inches (170 mm).