Barrel: Chrome Moly steel barrel chambered in 5.56 NATO with a 1:7 twist rate, M4 barrel extension, and a MId-Length gas system. The barrel is finished off with a standard handguard, F-Marked gas sight base, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized, features a forged upper receiver. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Non-Logoed Toolcraft Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.

Lower Build Kit: Includes Classic M4-Style Stock, A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower.