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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 ...
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 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).
It was originally located in a factory near the Missisquoi River but was later moved to Swanton in 1909 due to its location near railroad lines. Bought out by Remington in 1915 (becoming Remington-UMC Swanton but retaining the old headstamp) when it received a wartime contract to produce rifle ammunition for the French government. The French ...
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Comparison of .223 Remington (left) and external propellant caseless 4.73×33mm Heckler & Koch G11 ammunition (right). Caseless ammunition ( CL ), [ 1 ] or caseless cartridge , is a configuration of weapon-cartridge that eliminates the cartridge case that typically holds the primer , propellant and projectile together as a unit.
A search team investigating the deadly crash of a U.S. military aircraft in the sea off Japan last week has found wreckage and the remains of five missing crew members, the Air Force said Monday ...
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