The 16″ 5.56 NATO M4 barrel is the perfect barrel to start your next build and add to your AM-15 collection. This barrel is made from 4150 Chrome Moly Vanadium Steel with a Parkerized finish. Featuring a carbine length gas system with a .750″ gas port and a 1:8 twist, this barrel provides top accuracy and precision for your 5.56 build.
This barrel comes RF85 treated. Which means, 85% Less Friction and 23% Faster Action! Your barrel will never need oiling and cleans up with just soap & water! To learn more on the RF85 process