This Durkin Tactical AR-15 Barrel is an 18″ heavy profile barrel made of 4150 chrome moly vanadium steel with a parkerized finish. This barrel features a mid-length gas system with a 1:24 twist rate. The barrel is chambered in .450 Bushmaster and machined with single feed ramps in the barrel extension.
All Barrels go through an inspection process prior to shipping. Our expectations are that our Barrels, 16 inches or longer, will hold a 1.000″ MOA at 100 yards with appropriate ammo and shooting techniques.