4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block
5. Gas Tube - Rifle-Length Stainless Steel Gas Tube
6. Muzzle Device - A2 Half Cage
Bolt Carrier Groups and Charging Handles are sold separately.
All barreled uppers are head spaced and test fired to ensure function.
Guaranteed to Perform - Directly from Ballistic Advantage's WebsiteWe stand behind our commitment to performance. All Ballistic Advantage barrels are guaranteed to give sub Minute of Angle (MOA) accuracy with match grade ammunition. We define sub MOA as a group size of 1 inch or under at 100 yards with a 3 shot magazine fed group, or 5 shot single loaded group.
ALL LAWS APPLY. IT IS THE RESPONSIBILITY OF THE BUYER TO UNDERSTAND ALL LAWS REGARDING PURCHASE AND OWNERSHIP OF THIS UPPER. WE STRONGLY URGE YOU TO CONTACT YOUR LOCAL FFL AND/OR THE ATF WITH ANY AND ALL QUESTIONS TO MAKE SURE YOU UNDERSTAND THE LAW BEFORE PURCHASING THIS ITEM.
***80% LOWERS CANNOT BE PURCHASED WITH BARRELED UPPERS OR BUILD KITS. ORDERS THAT INCLUDE THEM WILL BE CANCELLED AND CHARGED A 15% CANCELLATION FEE***.
Excellent 
