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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 ...
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).
.22 Winchester Magnum Rimfire (.22 WMR): also known as the .22 Magnum, this is a longer rimfire cartridge based on the .22 Winchester Rimfire cartridge with an increase in both muzzle energy and velocity. 9mm Flobert: is a garden gun cartridge that is still used in Europe, uncommon but still available.
A magnum version of the 10/22, known as the 10/22 Magnum, chambered for the .22 WMR cartridge, was made from 1998 to 2006. A .17 HMR version, the 10/17 , was announced in 2004, [ 6 ] but was only listed in the catalog for two years.
In production. .22 Long, a cartridge predating the .22 LR, with the same case length using the lighter .22 short bullet. .22 Long Rifle (LR), the most common cartridge type of this caliber, often referred to simply as ".22 caliber" or "22". .22 Long Rifle Extra Long (LR EX), a variant of .22LR with a longer casing but identical overall ...
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).
High Standard revolvers were manufactured in a variety of models in .22 Short, .22 Long Rifle and .22 Magnum chambering from 1955 until the mid-1980s. [3]In 1957 High Standard introduced new models and finishes: a two-inch snubnosed with round butt, a Western model and the successful "Sentinel", one feature that boosted sales was its 9-shot capacity, all models had 9-shot cylinders.
The .223 WSSM was introduced in 2003 by the Browning Arms Company, Winchester Ammunition, and Winchester Repeating Arms Company. The .223 designation is a reference to the popular .223 Remington. It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second).