Search results
Results From The WOW.Com Content Network
The 6mm XC was initially developed as a Wildcat cartridge specifically for NRA High Power match shooting by 11-time US National Champion David Tubb. [2] [3] The round originated from chambering a barrel using a .243 Winchester reamer held short, with the case reformed from .22-250. [2]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate
In 1978 Remington started manufacturing their Remington 40-X rifle in the 6mm BR and named their version of the ... barrel life, and case capacity in a 6 mm cartridge ...
Overbore cartridges are those with a relatively large case volume or case capacity, coupled with a relatively small diameter bullet.. The case volume or case capacity and barrel bore area can be mathematically related to obtain a case volume to bore area ratio in metric or imperial units.
By comparison, the 5.56×45mm NATO cartridge, used in the M16 and M4 rifles, produces between 1,200–1,300 foot-pounds force (1,600–1,800 joules), while the .308 Winchester, a favorite for hunters, police, and military snipers, produces between 2,000–3,000 foot-pounds force (2,700–4,100 joules) depending on the load used.
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 ]
The cartridge is a necked-up version of the .22 PPC which is in turn based on a .220 Russian (5.6×39mm). [5] The standard bullet diameter for 6 mm caliber cartridges is .243 inches (6.2 mm), the same diameter used in the .243 Winchester and 6mm Remington cartridges.
The American Rifle A Treatise, a Text Book, and a Book of Practical Instruction in the Use of the Rifle By Townsend Whelen · 1918. Page 134; Gun Research Declassified Visit to Mauser-Werke 2022. Page 52; The Ultimate in Rifle Accuracy By Glenn Newick · 1990; Gunsmithing at Home: Lock, Stock & Barrel - Page 79, John E. Traister · 1996