Two of the most popular cartridges today are nearly identical and sometimes considered transposable, but when looking at 5.56 vs .223, there are some key differences. The .223 Remington started as a ...

The cartridges .223 Remington and 5.56×45mm NATO often get lumped together, but the confusion around them has a long, tangled history. Though they look nearly identical, critical differences in ...

The .223 is a perfectly capable whitetail deer round with properly selected ammunition. Tyler Freel The .223 Remington is one of the most popular centerfire cartridges in history and has seen renewed ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** SIG Sauer has added .223 Rem. to ...

The 5.56 NATO is a higher pressure military derivative of the 223 Remington. The cartridge has been around since about 1979, and due to the availability of military surplus ammunition, it has become a ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** SIG Sauer has added .223 Rem. and ...

Black Hills manufactures high-quality .223 Remington ammunition. Rifles for the .223 utilize a wide range of rifling twist rates, from 1 twist in 7″ to 1 twist in 12″. Bullets above 60 grains require ...

For most shooters the difference between .223 Remington and 5.56×45 NATO is minor, but it matters because 5.56 is typically loaded to higher pressures and uses a slightly different chamber leade.