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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 AMT AutoMag II is a semiautomatic handgun chambered in .22 WMR, that was manufactured by Arcadia Machine and Tool from 1987 until 1999, [2] and was manufactured by High Standard until their closure in 2018.
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).
The Ruger 77/22 is a bolt-action rimfire rifle chambered for the .22 Long Rifle, .22 WMR, or .22 Hornet. It has a removable rotary magazine which allows the magazine to fit flush with the bottom of the stock. The 77/22 was introduced in 1983 and was based on the centerfire Model 77 Mark II. [3] Each rifle comes with scope rings and a lock.
The Marlin Model 25MG is a smooth bore, bolt-action, .22 WMR rifle manufactured by Marlin firearms Company. [4] It was designed to shoot snake shot and marketed as a "Garden Gun" for use in dispatching small garden and farm pests. [5] It also has been used for airport and warehouse pest control. [2]
The Grendel P30 is a semi-automatic pistol chambered in .22 Winchester Magnum Rimfire. Designed by George Kellgren and manufactured by Grendel Inc., it uses a 30-round Zytel magazine and was available with a 5 or 8 inch barrel. A carbine version (R-31) was also offered. It was manufactured from 1990 to 1994.
The Ruger Wrangler is a single-action rimfire revolver produced by Sturm, Ruger & Co. Chambered for .22 Long Rifle cartridges, it was announced in April 2019. [2] The revolver makes extensive use of aluminum and zinc castings for ease of manufacturability, [3] and also has an unfluted cylinder and uses metal injection molded components for further cost reduction. [4]
In 1955, the Model 43 Airweight with an aluminum alloy frame was introduced. In 1960, a .22 Winchester Magnum Rimfire version the Model 51 was introduced. The Model 43 and 51 were discontinued in 1974. A stainless steel version the Model 63 Kit Gun was released in 1977. In 1983, the stainless steel Model 650 in .22 WMR was introduced.