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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 ...
In production. .22 Long, a cartridge predating the .22 LR, with the same case length using the lighter .22 short bullet. .22 Long Rifle (LR), the most common cartridge type of this caliber, often referred to simply as ".22 caliber" or "22". .22 Long Rifle Extra Long (LR EX), a variant of .22LR with a longer casing but identical overall ...
Developed jointly by Remington and Smith & Wesson, it was to be used in the Model 53 revolver, which first appeared late in 1961. [3] While it traced its origins to potent wildcats such as the .224 Harvey Kay-Chuk, [4] which ultimately derive from the .22 Hornet, [4] it was a bottlenecked cartridge based upon the .357 Magnum case necked down to a .22 caliber bullet, with an unusually long ...
Rimfire ammunition. A rim-fire (or rimfire) is a type of metallic cartridge used in firearms where the primer is located within a hollow circumferential rim protruding from the base of its casing. When fired, the gun's firing pin will strike and crush the rim against the edge of the barrel breech, sparking the primer compound within the rim ...
Introduced in the Winchester M1890 slide rifle, it had a flat-nose slug, and is identical to the .22 Remington Special (which differed only in having a roundnosed slug). [2] 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.
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1,350 ft/s (410 m/s) 160 ft⋅lbf (220 J) The .22 ILARCO / 5.7x24mmRF, also known as the .22 Winchester Short Magnum Rimfire or .22 American, [2][3] was a rimfire cartridge designed in 1987 for the American-180 rimfire submachine gun. At the time the cartridge was created, the design of the American-180 had been taken over by the Illinois Arms ...
The .22 TCM or 22TCM (.22, Tuason, Craig, Micromagnum) is a proprietary bottle-necked rimless cartridge created from a 5.56mm NATO / 223 Rem parent case. It was developed by custom gunsmith Fred Craig and Martin Tuason, President of Rock Island Armory (RIA) Armscor, and is used in the RIA M1911 pistols and the M22 TCM bolt-action rifle.