The .223 Remington has become one of the most popular cartridges and is currently used in a wide range of semiautomatic and manual-action rifles and even handguns, such as the Colt AR-15, Ruger Mini-14, Remington Model 700.

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

223 Remington ammo for sale online or in-store at Sportsman's Warehouse. Find a full line of 223 Remington ammo from all major ammunition manufacters.

Get the best 223 Remington centerfire ammo, one of the most popular rounds for AR-15 and other rifles. Sportsman's Warehouse offers this high-velocity cartridge for hunting, target shooting, self defense, and more.

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 as well. Shop & find 223 Rem and more here at Remington. Shop today!

The .223 Remington is a cartridge with almost the same external dimensions as the 5.56×45mm NATO military cartridge. The name is commonly pronounced either two-two-three or two-twenty-three. LAX Ammo offers 223 ammunition for cheap! …

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223 Ammo is an excellent choice for hunting, self-defense, and target shooting. Palmetto State Armory offers .223 ammo from best-selling brands such as Federal, Tula, Fiocchi, and American Eagle at the competitive prices you deserve.

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.223 Remington 50 Grain Barnes Varmin-a-tor- The .223 Remington is a sporting cartridge with the same external dimensions as the 5.56x45mm NATO military cartridge. It is loaded with a .224-inch diameter jacketed bullet, with weights ranging from roughly 40 to 90 grains (the 55-grain being the most popular).