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According to Browning, the .223 WSSM offers a 600 ft/s (180 m/s) gain with a 55 gr (3.6 g) bullet over the standard .223 Rem. It also offers a 440 ft/s (130 m/s) gain over the .22-250, a popular varmint round. This comes out to a 600 ft⋅lbf (810 J) gain over a standard .223 Rem, and a 350 ft⋅lbf (470 J) gain over the .22-250. [8]
Similar, but not interchangeable with .223 Rem. 5.6mm Gw Pat 90: 1987 Switzerland R 5.56×45mm 3168 1243 0.622 28.5 0.224 45mm 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 ...
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.
Joyce W. Hornady began manufacturing bullets in the spring of 1949 with a .30 caliber 150 gr (9.7 g) spire point selling for $4.50 per hundred. Within a year Hornady was producing thirteen different bullets in five different calibers. The Korean War caused material shortages limiting early production.
Bullets available in .204 caliber range from 24 to 55 grains (1.55 to 3.56 g). [6] The Hornady factory load is listed at 4,225 ft/s (1288 m/s) with a 32-grain (2.1 g) bullet. [ 7 ] To achieve these velocities, the factory uses a proprietary powder composition known internally as SMP746, specially formulated by Primex, and, as of 2013, not ...
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It returned nearly 55% of the FCF to shareholders in the form of dividends and share buybacks. Given Devon's rising production backed by acquisitions and its focus on strengthening its balance ...
Since then Hornady has also made a 265 grain (17.2 g) interlock "light magnum" that boosts velocity to nearly 2,350 ft/s (720 m/s) and 3,140 ft⋅lbf (4,260 J) of energy at the muzzle. Hornady's latest offering for this caliber is its new Leverevolution ammunition that has a soft polymer spire point that can be safely loaded in tubular magazines.