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Based on a .250 Savage case, the .22-250 is still one of the fastest shooting .22 caliber (5.56 mm) cartridges available. First offered in a factory firearm by Browning in 1963 (the first factory gun chambered for a wildcat), the .22-250 was later adopted by Remington as the .22-250 Remington. [13] [14].22 CHeetah. A .308 BR (Bench Rest) case ...
The .22 Bench Rest Remington cartridge, commonly referred to as the .22 BR Remington, is a wildcat cartridge commonly used in varmint hunting and benchrest shooting. It is based on the .308×1.5-inch Barnes cartridge, necked down to .22 caliber, lengthened by .020 inches and with the shoulder angle increased to 30°.
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 .308 Marlin Express is a cartridge developed in 2007 by Marlin Firearms and Hornady. It is based on the .307 Winchester with a goal to duplicate .308 Winchester performance. The cartridge uses a slightly shorter, semi-rimmed case similar to that of the .220 Swift to function in lever-action rifles.
The .308 Winchester has a 3.64 mL (56 gr H 2 O) cartridge case capacity. [9] The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. .308 Winchester maximum C.I.P. cartridge dimensions. All dimensions in millimeters (mm) and inches.
375 Stalker, Standard military 7.62x51 cases (also .308), length is trimmed, shoulder is reformed, neck is expanded to .375 375 SOCOM, Proprietary. The case head and rim dimensions exactly match the military 7.62x51 (also .308), however, the case body is slightly wider and has more taper. 400 AR, Wildcat. The parent is the 7.35×51mm Carcano ...
It is the fifth cartridge designed by Nosler. It is claimed that the .22 Nosler delivers 25% more case capacity and is nearly 90 m/s (300 ft/s) faster than a .223 Remington/ 5.56 NATO. The .22 Nosler is designed to use the existing bolt face of an AR-15, and conversions to this caliber can be accomplished with a simple barrel swap.
Most rifle magazines had a capacity for 4 cartridges. The .222 Remington version could hold 5 cartridges and the larger .300 H&H Magnum and other similarly large cartridges were limited to 3 cartridges in the magazine. Barrels were tapered with lengths, depending on year and caliber, ranging from 22 to 26 inches.