B.T.A. "SEVERE DUTY SPR" 5.56 NATO. NiB-X Forged Upper with Black Cerakote Topcoat M4 Ramps)This is the top of the line forged upper! We are very proud to offer the WMD fully coated NiB-X AR15 upper receiver which has been topcoated with a ceramic coating for optimal durability, strength, corrosion protection, wear resistance and reliability.Made from forged 7075-T6 aluminum to Mil. Specs, features extended M4 feed ramps, Mil-Spec forward assist, and dust cover assembly. WMD maximizes the performance and durability of the upper by coating with NiB-X – an exclusive nickel boron formulation that reduces friction, minimizes wear, and eliminates the need for lubrication.)18" Mark 12 Barrel 416R Stainless Steel, • Contour: Heavy ,• Chamber: 5.56x45mm NATO ,• Twist Rate: 1 in 8" ,• Finish: Teflon Black ,• M4 Feed Ramps, • Muzzle Thread Pattern: 1/2"-28 ,• Gas Port Location: Rifle,• Exterior Diameter at Gas Port: 0.750". Kies Adjustable Lo-Pro Gas Block (designed so that you can tune your rifle's gas system to your load, reduce over gassing of the system to help smooth your rifle's action, or to enhance reliability when using a suppressor. Made of 4140 and Melonite finished), Melonite finished gas tube, Diamondhead VRS-T 15" free float handguard( lightweight free float design Improves accuracy and provides exceptional airflow to keep barrel cooler,•Flush mounted top rail giving a monolithic appearance,•Uninterrupted mounting surface for optics other accessories,•Improves comfort and ease of shooting while allowing for personal modification with rail accessories (rails & bumpers),•Mil. Std. 1913 Picatinny rail dimensions,•Mil. Spec. Type III anodized 6061aluminumconstruction,•Combat durable,
•Diamondhead® exclusive Lifetime Warranty),YHM Phantom Comp/Flash Hider, FailZero M16/4 Full Auto EXO-coated BCG.
Core15 V1 Billet charging Handle .These uppers are part of the Steel Compition line with the Diamondhead Handguard flat bottom for a more stable shooting platform.Each B.T.A. High Performance custom upper is test fired and is certified to drop on and function with any mil-spec, AR lower unit.
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