Quick view Ballistic Advantage Ballistic Advantage Ar Barrels, Ba Babl300002f 300bo Brl Cmv 8.3 Hanson W/lopro $199.55 The ballastics advantage 8.3".300 blackout ba hanson pistol length ar 15 performance series barrel with lo pro is machined from 4150 chrome moly vanadium steel with a qpq corrosion resistant finish.The performance series barrels feature a nickel boron... Compare Add to Cart