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The .22 Winchester Rimfire (commonly called the .22 WRF) is an American rimfire
rifle
A rifle is a long-barreled firearm
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions).
The first firearms originated ...
cartridge.
History
Introduced in the Winchester M1890slide
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rifle, it had a flat-nose slug, and is identical to the .22 Remington Special (which differed only in having a roundnosed slug).Barnes, p.275, ".22 Winchester Rimfire (WRF)". It uses a flat-based, inside-lubricated bullet
A bullet is a kinetic projectile, a component of firearm
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions).
The first ...
, which differs from the outside-lube heeled bullet
A heeled bullet is a specific design of bullet
A bullet is a kinetic projectile, a component of firearm
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in differen ...
of the .22 Short, Long
Long may refer to:
Measurement
* Long, characteristic of something of great duration
* Long, characteristic of something of great length
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, LR, and Extra Long rounds.
When introduced, the .22 WRF "was the first notable improvement in the killing power" over the .22 LR,Barnes, p.275, ".22 Winchester Rimfire (WRF). and was able to kill cleaner at up to 75 yd (70 m). It is somewhat less accurate than the .22 LR and is most suited to hunting small game such as rabbit
Rabbits, also known as bunnies or bunny rabbits, are small mammal
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Vertebrates () comprise all animal
Animals are multicellular, eukaryotic organisms in the biological kingdom An ...
s or prairie dogs.
Shortly before World War II, propellants were developed that greatly increased the effectiveness of the .22 LR. These new "High Velocity" loadings offered a nearly 300fps increase in velocity over the original 1050fps .22 LR load. 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.
A variety of Winchester, Remington, and Stevens single-shot and repeater
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rifles were offered from 1890 onward, but new rifles are not made for this cartridge. .22 WRF ammunition is periodically offered by commercial makers for use in the old guns. It can be fired in any rifle chambered for the more powerful .22 WMR
The .22 Winchester Magnum Rimfire, also called .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, or .22 Mag, is a rimfire cartridge. Originally loaded with a bullet weight of delivering velocities in the range from a rifle barrel, .22 WMR is now loaded ...
. The shorter WRF cartridge may be limited to single shot use in WMR rifles, since it may not feed from WMR-length magazines, depending on design.
Dimensions
Cartridge dimensions as specified by ANSI/SAAMI.
See also
* List of cartridges by caliber *List of rifle cartridges
List of rifle cartridges, by primer type, calibre and name.
File:Cartridge Sample 2.jpg, 350px, From left to right: 1 .17 HM2,2 .17 HMR, 2.5 .17 wsm, 3 .22LR, 4 .22 WMR, 5 .17/23 SMc, 6 5mm/35 SMc, 7 .22 Hornet, 8 .223 Remington, 9 .2 ...
* List of rimfire cartridges
Below is a list of rimfire cartridges, ordered by caliber
In guns, particularly firearm
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries ...
* 5 mm caliber
References
Notes
* Barnes, Frank C., ed. by John T. Amber. ".22 Winchester Rimfire", in ''Cartridges of the World'', pp. 275 & 282-3. Northfield, IL: DBI Books, 1972. .External links
Pistol and rifle cartridges Rimfire cartridges Winchester Repeating Arms Company cartridges Weapons and ammunition introduced in 1890 {{ammo-stub