Handloaders always welcome new propellants in their efforts to improve the velocity and accuracy of their loads. So, in anticipation of stepping up the performance of my .223 Rem. handloads, I’ve been ...

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 ...

** 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. ** I remember a conversation in which ...

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 ...

Comparing rifle cartridges is not always as straightforward as it might seem. Just because one cartridge shoots faster, flatter, and hits harder, does not always mean it’s the best option for you.

Some believe the 5.56 NATO was the original military cartridge and that the 223 Remington was the civilian offshoot. That’s not the case. In 1970, NATO (North Atlantic Treaty Organization) affiliated ...