Search results
Results from the WOW.Com Content Network
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 ...
Below is a list of rimfire cartridges (RF), ordered by caliber, small to large. Rimfire ammunition is a type of metallic cartridge whose primer is located within a hollow circumferential rim protruding from the base of its casing.
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 Stinger, a variant of .22 LR with a slightly longer casing but identical overall cartridge dimensions (see CCI Stinger).22 Winchester Magnum Rimfire (WMR), a magnum cartridge that is longer and more powerful than the .22 LR.22 Winchester Rimfire (WRF), a cartridge originally introduced to provide higher velocity than the .22 LR
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.
The .22 ILARCO / 5.7x24mmRF, also known as the .22 Winchester Short Magnum Rimfire or .22 American, [2] [3] was a rimfire cartridge designed in 1987 for the American-180 rimfire submachine gun. At the time the cartridge was created, the design of the American-180 had been taken over by the Illinois Arms Company, Inc., hence the ILARCO name.
Introduced in the Winchester M1890 slide rifle, it had a flat-nose slug, and is identical to the .22 Remington Special (which differed only in having a roundnosed slug). [2] 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.
The EPR contains an environmentally-friendly projectile that eliminates lead from the manufacturing process in direct support of Army commitment to environmental stewardship. [21] Under the Green Ammo Phase II initiative, the Army focused on lead-free ammo in stateside training ranges, in response to tightening state environmental regulations. [18]