AR-15 6.5 Grendel 18" heavy barrel, nitride, 1-8 twist. Comes as seen in picture with barrel extension and extension pin installed. This barrel also has the gas port hole pre-drilled. Barrel extension has the m4 feedramps.
Perfect for target shooters and hog hunters, the 6.5 Grendel is known for its extreme accuracy and top-tier ballistic performance. Machined from 4150 chrome moly steel with a 1:8 twist rate and nitride finish, this barrel will deliver round after round consistently and accurately. This AR15 barrel features 5/8×24 tpi threads, and a chamber and gas port optimized for reliability. In addition, this barrel is a type II resulting in a .120″ throat and a .300″ neck.