Rifle cartridge
.22 CHeetah |
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Type | Rifle |
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Place of origin | United States |
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Production history |
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Designer | Jim Carmichel and Fred Huntington |
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Specifications |
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Parent case | 308 BR |
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Case type | Rimless, bottleneck |
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Bullet diameter | .22 in (5.6 mm) |
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Primer type | Small Rifle |
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Ballistic performance |
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Bullet mass/type | Velocity | Energy | 50 gr (3 g) | 4,300 ft/s (1,300 m/s) | 2,018 ft⋅lbf (2,736 J) | |
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, are now making 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
- ^ The Confusing World of Cartridge Nomenclature (2540)
- ^ a b "Walk on the Wild Side". Outdoorlife.com. 19 September 2007. Retrieved 2013-04-07.
- ^ "22 Cheetah MK 1 - Long Range Hunting Online Magazine". Archived from the original on 2015-11-07. Retrieved 2013-04-16.
- ^ "Remington 308 BR Brass | M14 Forum". archive.is. 2024-08-01. Retrieved 2024-08-01.
- ^ "Remington - USA Langwaffenhülsen - Rem. B.R. (.308) auf ProGun". web.archive.org. 2024-08-01. Retrieved 2024-08-01.
- ^ 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. 2004-03-26. Archived from the original on 2010-02-07. Retrieved 2013-04-07.
- ^ Williams, Ross (31 August 2005). "How to extend the life of a rifle barrel". Archived from the original on 15 February 2012.
Cartridges derived from the .30-03 Springfield
Prototype | |
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First generation | Based on .30-03 Springfield | |
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Second generation | Based on .30-06 Springfield | |
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Third generation | |
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Fourth generation | |
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Fifth generation | |
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Sixth generation | Based on .243 Winchester | |
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Based on .307 Winchester | |
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Based on .308×1.5-inch Barnes | |
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Seventh generation | Based on 6mm BR | |
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Based on .22 BR | |
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Eighth generation | |
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Related | |
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