DealThis complete upper features 8" length Medium Contire Barrel 4150 Chromemoly vanadium barrel with Black Nitride (Melonite) Finish Pistol Length Gas System .300 AAC Blackout Chamber 1 in 7" twist rate M4 Feed ramps Low Profile Front Gas Block .750 diameter under gas block A2 Flash Hider 5/8 - 24 Thread Forged Upper Receiver Forged upper receiver Does Not include Bolt Carrier or Charging Handle Made in the USA from White River Armory (Product 300 BLK 8 MEL FF Quad) |