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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 .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]
.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
Since the cartridge was never commercially adopted by an ammunition manufacturer, it has remained a wildcat cartridge since its inception. However, making cases from existing .223 Remington brass is as simple as running the case through a 6×45mm die. The availability of .223 cases, the ease of forming, and the light powder charge make for a ...
Swiss military version of the 5.56×45mm NATO / 223 Remington. For SIG SG 550 and variants. 5.7×28mm: 1990 Belgium 1 [7] R 5.7×28mm 2800 400 [8] 0.286 13 0.224 28mm Bottlenecked high velocity PDW cartridge designed by FN Herstal. Designed in response to NATO requests for a replacement for the 9×19mm cartridge. Frequently used in the FN Five ...
400 pound Tiger taken by Reverend H. R. Caldwell using a Savage Model 99 chambered for .22 Savage Hi-Power. The .22 Savage Hi-Power's relatively high velocity for the time and "shocking" power led to an initial surge of popularity, and was attributed with almost magical killing powers even on large and dangerous soft-skinned game such as tigers.
Bill Wylde of Greenup, Illinois, compared the two cartridges and changed the chamber of the rifle's barrel to a specification he called the .223 Wylde chamber. The chamber is made with the external dimensions and leade angle found in the military 5.56×45mm NATO cartridge and the 0.2240 in (5.69 mm) freebore diameter found in the civilian SAAMI .