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The .223 WSSM was introduced in 2003 by the Browning Arms Company, Winchester Ammunition, and Winchester Repeating Arms Company. The .223 designation is a reference to the popular .223 Remington. It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second).
The AR-15 rifle usually comes chambered for either the military cartridge 5.56×45mm or the .223 Remington. Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [1]
The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P. [5], pronounced "two-twenty three") is a rimless, bottlenecked, centerfire intermediate cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command of the United States Army as part of a project to create ...
Cost is another factor limiting popularity. Ammunition prices are higher than those of the 7mm Remington Magnum and the .280 Remington, [4] both of which have similar performance to the 7mm WSM, with the 280 Rem having slightly less muzzle energy and the 7mm Rem Mag being roughly equal. [5]
This is also true for rifles such as Ruger's Mini-14 and most bolt-action rifles chambered for the .223 Remington cartridge. [1] The 6×45mm cartridge provides better down range performance than the .223 Remington or the 5.56 NATO cartridges. The cartridge is currently offered by Les Baer in an AR rifle.
.223 may refer to: .223 Remington cartridge.223 MINISAS, a cartridge for close-quarter battle use.223 Winchester Super Short Magnum, a cartridge based on the Winchester Short Magnum case.223 Wylde chamber, a hybrid rifle chamber designed to allow .22 caliber barrels to safely fire either .223 Remington or 5.56×45mm NATO ammunition
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This was due to the availability cheap surplus Communist Bloc 5.45mm ammunition and AK-series weapons. [11] It had a 16-inch barrel, 6-position collapsible stock and a stainless-steel 30-round magazine. However, few shooters wanted an expensive AR-15 clone in a non-standard caliber that needed special magazines. [11]