Description

Upgrade your AR with the Rosco K9 12.5″ 5.56 NATO Nitride Barrel. Featuring a 1:7″ twist rate and a proprietary patrol length gas system, it ensures smoother operation and reliability both suppressed and unsuppressed. The continuous taper profile effectively dissipates heat, providing a balanced and better handling rifle. Perfect for hard use, this barrel combines improved harmonics and a professional fit and finish.