AR-15 5.56 / .223 Barrels – Choose Your Perfect Barrel

5.56 NATO & .223 Wylde Barrels by Length

Upgrade your AR-15 build with 5.56 NATO and .223 Wylde barrels from Moriarti Armaments. Our selection includes AR-15 barrels in multiple lengths, profiles, twist rates, and finishes designed for recreational shooting, hunting, competition, and custom builds. Whether you are replacing an existing barrel or completing a new rifle project, our barrels are built for reliable performance and compatibility with standard AR-15 platforms.

What is the difference between 5.56 NATO and .223 Wylde barrels?

A 5.56 NATO barrel is designed specifically for 5.56 NATO ammunition, while a .223 Wylde barrel is designed to provide compatibility with both .223 Remington and 5.56 NATO ammunition while maintaining accuracy potential. Always verify your barrel chamber markings and ammunition compatibility before use.