Home / Barrels/Parts / ARBAR300SS-7 – 8.5″ 300BO Barrel ARBAR300SS-7 – 8.5″ 300BO BarrelMSRP $159.99 8.5″ 300BO Barrel, 416R Stainless Steel, 1/7 Twist, Pistol Length Gas System, Fits .750 Gas Blocks MADE IN THE USA ARBAR300SS-7 - 8.5" 300BO Barrel quantity Add to cart UPC: 784682014721 Category: Barrels/Parts Product ID: 768