“Proof Research 130384 AR-Style Barrel 6mm Arc 20″ Rifle +1 Length Gas System 1:7.50″ Twist 4 Grooves, 5/8″-24 tpi, Stainless Stainless” has been added to your cart. View cart
Utilizing new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed demanding military performance specifications. Designed for the AR15/M4 but allowing use with a wide range of non-AR15/M4 platforms.
