.22 Winchester Magnum Rimfire

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.22 Winchester Magnum Rimfire (5.6×27mmR) introduced in 1959 by Winchester refers to a rimfire cartridge that is .22 caliber. It is more typically referred to as the .22 WMR, .22 Magnum, or simply .22 Mag. it is commonly used for varmint hunting of coyote/fox sized varmints.

Firearms Supporting the .22 Magnum

The round is available to shoot with:[1][2]

Specifications

  • Commonly available with a bullet weight of 40 grains (2.6 g).[3]
  • The round offers a rifle barrel velocity of around 2,000 feet per second (610 m/s).
  • The larger 50 grains (3.2 g) bullet size offers a rifle barrel velocity of around 1,750 feet per second (530 m/s).
  • The smaller 30 grains (1.9 g) bullet size offers a rifle barrel velocity of around 2,250 feet per second (690 m/s).
  • 1 MOA accuracy is possible.

References

  • Cartridges of the World 11th Edition, Book by Frank C. Barnes, Edited by Stan Skinner, Gun Digest Books, 2006, ISBN 978-0-89689-297-2 p. 479
  • Barnes, Frank C., ed. by John T. Amber. ".22 Winchester Magnum Rimfire", in Cartridges of the World, pp. 275. Northfield, IL: DBI Books, 1972. ISBN 978-0-695-80326-1.

External links

Glock30.jpg Firearms Glossary Sources: Boston's Gun Bible, Tools for Survival, SAAMI.org.