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 Remington and 5.56 NATO share identical case dimensions but are not fully interchangeable—the difference comes down to chamber pressure and how each barrel is cut. A 5.56-chambered rifle can ...

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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.

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