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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 ...
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). It is somewhat less accurate than the .22 LR [2] and is most suited to hunting small game such as rabbits or prairie dogs. [3]
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).
It combined the casing of the .22 Long with the 40-grain (2.6 g) bullet of the .22 Extra Long, giving it a longer overall length, a higher muzzle velocity, and superior performance as a hunting and target round, rendering the .22 Short, .22 Long, and .22 Extra Long cartridges obsolete.
It is available for .22 LR (Model 8348) as well as .22 WMR (Model 8349) and .17 HMR (Model 8350) calibers. In late 2017, Ruger also introduced a thumbhole stock version for .22 LR (Model #8360) with a fenestrated fore-end and rollover cheekpiece. In early 2019, Ruger introduced stainless steel variants of all the previous four Target models.
A .22 Short, .22 long rifle, .22 Winchester Magnum, and a .22 Hornet. The .22 long rifle uses a straight-walled case. Depending upon the type and the feed mechanism employed, a firearm that is chambered for .22 long rifle may also be able to safely chamber and fire shorter rimfire cartridges, including the .22 BB, .22 CB, .22 short, .22 long.
.22 long rifle extra long (LR EX), a variant of .22LR with a longer casing but identical overall cartridge dimensions (see CCI Stinger).22 short, a cartridge used mostly in pocket pistols and mini-revolvers.22 Winchester Magnum Rimfire (WMR), a magnum cartridge that is longer and more powerful than the .22 LR
Plated bullets were originally sold only for handloading as a cheap substitute for jacketed bullets. [9] [10] CCI sells the MeatEater line of hunting ammunition for small game. CCI partnered with Steven Rinella of MeatEater to produce and market this product line. The MeatEater line of ammunition includes Copper-22, Mini-Mag, and Maxi-Mag ...