The .22 CHeetah (both C and H are upper-case, referring to ''Carmichel'' / ''Huntington''
) is a .22
wildcat cartridge
A wildcat cartridge, often shortened to wildcat, is a custom cartridge for which ammunition and/or firearms are not mass-produced. These cartridges are often created in order to optimize a certain performance characteristic (such as the power, si ...
developed in the 1970s or 1980s by Jim Carmichel and Fred Huntington.
The .22 CHeetah is essentially a
Remington .308 BR, modified to fit the
.22 caliber .22 caliber, or 5.6 mm caliber, refers to a common firearms bore diameter of 0.22 inch (5.6 mm).
Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington / 5.56×45mm NATO.
.22 inch is also a popular ...
.
Two custom gunmakers, Shilen Rifle Company and Wichita Engineering, are now making rifles specifically for the cartridge.
The cartridge's 50-grain .22-caliber bullets have a muzzle speed upward of 4,300 ft/s (4,250 according to some
), and the cartridge is known for its long-range accuracy and velocity.
Its high intensity is notoriously hard on barrels, which require constant cleaning.
References
{{DEFAULTSORT:22 CHeetah
Pistol and rifle cartridges
Wildcat cartridges