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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 ...
The most common rimfire cartridges are chambered for .17 caliber and .22 caliber. The bullet diameter for .17 caliber firearms generally measure .172 inch (4.37 mm), while the bullet diameter for .22 caliber firearms generally measure .222 inch (5.64 mm).
The .22 TCM is based on the 5.56×45mm NATO case, shortened to match the overall cartridge length of the .38 Super. This design results in a cartridge approximately 3 mm longer than a standard 9×19mm round. The .22 TCM was specifically engineered for the Rock Island Armory (RIA) M1911 line of pistols, which also supports 9mm barrel swaps.
The AT 10/22 QD is a short-barreled modified version of the 10/22 made by Arms Tech Limited. It features a six-inch barrel, a folding stock, and is designed to accept Arms Tech's own QD-223 suppressor. It comes in at a mere 5 pounds without the suppressor. Due to its extremely short barrel, it is considered a Title II weapon in the U.S. [29]
Ruger reintroduced this caliber option in 2002, [11] and in September 2014 released the Single-Seven in .327 Federal Magnum as well, in a seven-shot stainless steel variant, with barrel lengths of 4.62 inches (117 mm), 5.5 inches (140 mm), and 7.5 inches (190 mm).
.40 S&W: A shorter-cased version of the 10mm Auto..44 Magnum: A high-powered pistol round designed primarily for hunting..45 ACP: The standard US pistol round for about 75 years. Typical .45 ACP loads are subsonic. [54].45 Colt: a more powerful 45-calibre revolver round using a longer cartridge.
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