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The .220 Swift (5.56×56mmSR) is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935 for small game and varmint hunting. It was the first factory-loaded rifle cartridge with a muzzle velocity of over 1,200 m/s (4,000 ft/s).
List of rifle cartridges, by primer type, calibre and name. ... .220 Russian.220 Rook.220 Swift.221 Remington Fireball.22 Nosler.22-250 Remington.222 Remington
Ross rifle.303 British: 1903 Canada: Ruger American.204 Ruger.22LR.223 Remington.243 Winchester.270 Winchester.308 Winchester.300 Winchester Magnum.338 Winchester Magnum. 5.56×45mm NATO.30-06 Springfield. 7.62×39mm. 2011 United States: Ruger M77.220 Swift.22-250 Remington.243 Winchester.25-06 Remington.257 Roberts.264 Winchester Magnum.270 ...
The Winchester Model 54 is a bolt-action rifle manufactured by the Winchester Repeating Arms Company.The 54 was the first successful production run civilian centerfire bolt action for Winchester.
However, the .220 Swift still holds the record as the fastest .22 caliber centerfire cartridge with a published velocity of 4,665 ft/s (1,422 m/s) using a 29-grain (1.9 g) projectile and 42 grains (2.7 g) of 3031 powder.
An earlier high-velocity .22 caliber round from Weatherby called the .220 Weatherby Rocket was based on the .220 Swift though it was unsuccessful and never manufactured. [3] For more than 50 years, it was the only Weatherby cartridge to have an angled shoulder instead of the curved, double-radius shoulder found on other Weatherby cartridges.
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This cartridge is also sometimes known as the .22 Varminter or the .22 Wotkyns Original Swift. [2] Along with the .220 Swift, the .22-250 was one of the high-velocity .22 caliber cartridges that developed a reputation for remote wounding effects known as hydrostatic shock in the late 1930s and early 1940s. [3] [4]