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The major dimensional difference between the chambers that fire the .223 Remington and the 5.56×45mm NATO is the longer and larger-diameter "freebore" [3] in the 5.56 chamber (0.0566 in (1.44 mm) vs 0.0250 in (0.64 mm) length, 0.2265 in (5.75 mm) vs 0.2240 in (5.69 mm) diameter). Freebore is a short and smooth section of the barrel that is ...
.223 Remington – Original AR-15 cartridge: .223 cartridges may function in a 5.56×45mm rifle, however 5.56×45mm cartridges may produce excessive pressure in a .223 Rem rifle. On the other hand, a .223 Wylde chamber is used on .223 Rem rifle barrels to allow them to safely fire either .223 Remington or 5.56×45mm NATO ammunition. [6]
It appears that this round can drastically improve the performance of any AR-15 weapon chambered to .223/5.56 mm. Superior accuracy, wounding capacity, stopping power and range have made this the preferred round of many special forces operators, and highly desirable as a replacement for the older, Belgian-designed 5.56×45mm SS109/M855 NATO round.
.223 Wylde chamber; This page was last edited on 27 July 2022, at 20:14 (UTC). Text is available under the Creative Commons Attribution ...
The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P. [5]) 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 a small-caliber, high-velocity firearm.
.223 Remington 5.56×45mm NATO.223 Wylde.308 Win 7.62×51mm NATO United States 2014 Desert Tech MDRx: Desert Tech.223 Remington 5.56×45mm NATO.223 Wylde.300 BLK.308 Win 7.62×51mm NATO 6.5mm Creedmoor.350 Legend.450 Bushmaster United States 2020 Desert Tech HTI: Desert Tech.375 Cheyenne Tactical.408 Cheyenne Tactical.416 Barrett.50 BMG United ...
.223 Remington South Korea: 1982–present Dasan Machineries K16: Dasan Machineries: 5.56×45mm NATO South Korea: c.2024 [citation needed] Desert Tech MDR: Desert Tech.223 Remington 5.56×45mm NATO.223 Wylde.308 Winchester 7.62×51mm NATO United States 2014 Desert Tech WLVRN: Desert Tech.223 Remington 5.56×45mm NATO.223 Wylde.300 BLK.308 ...
The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely produced weapon in this caliber. [1]