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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).
The Model 700 is available in many different stock, barrel, and caliber combinations, with many third-party and after-market variants built on the same action footprint. From 1978 to 1982, Remington offered the Sportsman 78, which had the same Model 700 action but with lower-cost features, such as a plain stock without the non-slip checkering.
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.
The Winchester Model 70 is a bolt-action sporting rifle.It has an iconic place in American sporting culture and has been held in high regard by shooters since it was introduced in 1936, earning the moniker "The Rifleman's Rifle". [1]
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.
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]
This lever-action rifle was not well received by varmint hunters, but the cartridge and wildcat modifications (like the .219 Donaldson Wasp) became popular in other actions. [4].220 Swift was introduced in the Winchester Model 54 in 1935 as the first commercial cartridge with bullet velocity exceeding 4,000 feet (1,200 meters) per second. [4]
The company was a major producer of the .303 Pattern 1914 Enfield rifle for the British Government and the similar .30-06 M1917 Enfield rifle for the United States during World War I. Working at the Winchester plant during the war, Browning developed the final design of the Browning Automatic Rifle (BAR), of which it produced some 27,000.