Griffin Armament High Endurance Dual Purpose (HEDP) AR-15 Barrel 300 AAC Blackout 9.5" M4 Contour 1:7" Twist Nitride

The Griffin Armament HEDP(TM) Barrels provide High Endurance Dual Purpose functionality- offering high durability and precision accuracy. Nitrided 416R stainless steel provides the highest possible hardness and longest throat life available with match grade bore dimensions and bore finish. HEDP barrel bores are hand-lapped, ensuring batch to batch consistency and accuracy. TRUE-BORE(TM) concentric suppressor grade threads provide an optimized thread interface for your silencer regardless of bran