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 bolt, semi-auto and lever action rifles for small game, medium game, and predator hunting.

Take a look at our selection of .223 Remington and 5.56 NATO ammo from top manufacturers. We carry the best .223 Rem and 5.56mm ammo on the market.

Make sure you're geared up and ready to hit the range. Explore .223 Remington rifles at Academy Sports + Outdoors.

Remington offers 223 ammo across 5 product lines and seven different grain weights to best match shooter preference. For the high-volume shooter, be sure to check out our bulk 223 ammo offerings …

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Want to be sure you’re using the right ammo for your AR-15 and need to know the difference between the 223 vs 5.56 NATO? The best choice is

Dec 6, 2024 · Learn about the .223 caliber, its definition, measurement, and size, as well as its use in rifles, pistols, and ammunition, plus its ballistics and applications.

.223 Remington Rifle Ammunition is a versatile cartridge renowned for its flat trajectory, mild recoil, and adaptability across various shooting disciplines. Originally developed in 1957 for the Armalite AR-15, …