.22 CHeetah
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| .22 CHeetah | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||
| Place of origin | United States | |||||||
| Production history | ||||||||
| Designer | Jim Carmichel and Fred Huntington | |||||||
| Specifications | ||||||||
| Parent case | 308 BR | |||||||
| Case type | Rimless, bottleneck | |||||||
| Bullet diameter | .22 in (5.6 mm) | |||||||
| Primer type | Small Rifle | |||||||
| Ballistic performance | ||||||||
| ||||||||
The .22 CHeetah (both C and H are upper-case,[1] referring to Carmichel / Huntington[2] ) is a .22 wildcat cartridge developed in the 1970s or 1980s by Jim Carmichel and Fred Huntington.[3]
The .22 CHeetah is essentially a Remington .308 BR (empty .308 Winchester cases[4] [5] ), modified to fit the .22 caliber.[6] Two custom gunmakers, Shilen Rifle Company and Wichita Engineering, made rifles specifically for the cartridge.[7] The cartridge's 50-grain .22-caliber bullets have a muzzle speed upward of 4,300 ft/s (4,250 according to some[8] ), and the cartridge is known for its long-range accuracy and velocity.[2] Its high intensity is notoriously hard on barrels, which require constant cleaning.[8] [9]
References
[edit ]- ^ The Confusing World of Cartridge Nomenclature (2540)
- ^ a b "Walk on the Wild Side". Outdoorlife.com. 19 September 2007. Retrieved 2013年04月07日.
- ^ "22 Cheetah MK 1 - Long Range Hunting Online Magazine". Archived from the original on 2015年11月07日. Retrieved 2013年04月16日.
- ^ "Remington 308 BR Brass | M14 Forum". archive.is. 2024年08月01日. Retrieved 2024年08月01日.
- ^ "Remington - USA Langwaffenhülsen - Rem. B.R. (.308) auf ProGun". 2024年08月01日. Archived from the original on 2024年08月01日. Retrieved 2024年08月01日.
- ^ Frank C. Barnes (24 July 2006). Cartridges of the World. Krause Publications. p. 188. ISBN 978-0-89689-297-2 . Retrieved 7 April 2013.
- ^ H. Lea Lawrence (1 July 2002). The Ultimate Guide to Small Game and Varmint Hunting: How to Hunt Squirrels, Rabbits, Woodchucks, Coyotes, Foxes, and Other Game Animals. Globe Pequot. p. 73. ISBN 978-1-58574-566-1 . Retrieved 7 April 2013.
- ^ a b "Ruger's new firearm has higher velocity". Pittsburghlive.com. 2004年03月26日. Archived from the original on 2010年02月07日. Retrieved 2013年04月07日.
- ^ Williams, Ross (31 August 2005). "How to extend the life of a rifle barrel". Archived from the original on 15 February 2012.
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