AR10, 7.62 x 51 NATO, 1-10″ Rifling Twist, Stainless Steel, 5/8″ x 24 TPI Muzzle Threads, 11 Degree Crown, Intermediate Gas System Length (gas tubes for intermediate length can be found through this link.) with .750″ Gas Block Journal, 16″ Long, SPR (Special Purpose Rifle) Contour, Melonited*
*These barrels have had the exterior Melonite finish removed, due to exterior finish flaws. This has been replaced with our normal Stainless Matte finish. The interior of these barrels maintains Melonite durability. The exterior can be Cerakoted if desired, for an additional fee of $40.00.