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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 ...
These new "High Velocity" loadings offered a nearly 300 ft/s (91 m/s) increase in velocity over the original 1,050 ft/s (320 m/s) .22 LR load. [citation needed] This increase in power of the smaller round, coupled with its cheaper price and sheer number of rifles already owned in .22 LR, effectively killed the .22 WRF. [citation needed]
Remington Model 597. The Remington Model 597 is an American semi-automatic rifle that was manufactured by Remington Arms at the company's Mayfield, Kentucky and Huntsville, Alabama plant. The .22 Long Rifle version has a removable 10-round magazine, while the magazines for the larger .22 WMR and .17 HMR cartridges hold eight rounds.
White outline Millet adjustable sights (until late 1993) Adjustable 3 dot system (since late 1993) [1] 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. [3]
Rimfire ammunition. Schematic of a rimfire cartridge and its ignition. 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 ...
Winchester Model 69. The Winchester Model 69 is a bolt-action .22 caliber repeating rifle first produced in 1935 by the Winchester Repeating Arms Company. It was marketed as Winchester's mid-priced bolt-action rimfire sporting rifle, positioned above inexpensive single-shot rifles such as the Model 68 and beneath the prestigious Model 52.
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).
Remington Model 552. The Remington Model 552 Speedmaster is a blow-back operated, self-loading, semi-automatic rifle that can fire .22 Short, .22 Long and .22 long rifle cartridges. [3] Ammunition is fed from a tubular magazine under the barrel.