The .223 Remington is America's most popular rifle cartridge, commonly used in AR-15 platform rifles. Its military counterpart, the 5.56 NATO, is the standard issue round for the U.S. military. The .223 offers flat trajectory, low recoil, and excellent accuracy at moderate ranges, making it ideal for varmint hunting, target shooting, and home defense.
Common uses: target shooting, varmint hunting, home defense, competition.