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.

The .223 Remington is one of the most influential cartridges in modern firearms history. Revered for its versatility, precision, and adaptability, it has become a mainstay in both military and civilian applications.

223 Remington is the choice for competition shooters, law enforcement, predator hunters, and shooting enthusiasts across the world. Remington offers 223 ammo across 5 product lines and seven different …

Jul 18, 2025 · The .223 Remington is one of the most popular centerfire cartridges in history and has seen renewed attention as a big-game round in recent years. The truth, however, is that it’s been a …

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

Dec 7, 2024 · Learn about the 223 Remington cartridge, its history, specifications, ballistic performance, and popular uses for hunting, target shooting, and self-defense.

Oct 23, 2025 · When it comes to the 223 vs 5.56, it’s not so much about which one is best, but about the differences between them. The 223 Remington and 5.56 NATO cartridges have identical case …

Feb 24, 2025 · 5.56 vs .223: Understanding Critical Differences Between 5.56 NATO and .223 Remington Ammunition Many rifle owners struggle to understand the key differences between 5.56 …

The .223 Remington has become our most popular varmint cartridge and one of the best selling of all rifle cartridges. It has been adopted for military use by nations all over the world.

The sporting version was named the .223 Remington and promoted as a varmint cartridge, ironically, because almost every U.S state does not allow the use of .22 centerfires of medium game due to …