Barrel: Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a pistol gas system this barrel features a melonite finish for accuracy and durability. It is finished off with a 7" 2A Armament Keymod rail, .750" diameter low profile gas block, and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, and a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and phosphate coated.
Each upper is assembled to order with care, and test fired.
It is the customer's responsibility to be aware of all applicable laws and regulations regarding purchase and ownership of uppers with a barrel length of less than 16".