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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 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.
The American was chambered for .17 HM2, .17 HMR, .22 LR, and .22 WMR in right-handed rifles, and for .17 HMR and .22 LR in left-handed rifles. Currently, the left-handed version is still in production. Versions were offered with either a 16.2" or 22.5" inch barrel with the muzzle threaded (1/2" x 20 threads per inch (TPI)) to accept a sound ...
American Rimfire has several model lines, such as Standard, Compact, Wood Stock, OD Green, Stainless, Target and Go Wild. Standard: 18 in (460 mm) (threaded) or 22 in (560 mm) alloy steel barrel with the Ruger 10/22-style Williams™ fiber optic open sight, with an overall length of 37 in (940 mm) or 41 in (1,000 mm).
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]
It comes in four versions: a .22 LR over .410 bore, a .22 WMR over .410 bore, a .22 LR over 20 gauge, and a .243 Winchester over .410 bore. It is 5.8 pounds, has 19-inch barrels, and an overall length of 36 inches. [3] It has double triggers, with the front trigger firing the lower shotgun barrel and the back trigger firing the upper rimfire ...
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).
A powder with a slower burning rate is used to make the most use of the length of a rifle barrel. Most .22 long rifle powders increase velocity up to about 19 in (480 mm) of the barrel. The powder used in the Stinger increases velocity up to the longest .22 barrel length tested by the NRA, 26 in (660 mm). [24]