Barrel: This 416R Stainless Steel barrel is chambered in 5.56 NATO with a 1:7" twist, M4 barrel extension, and a mid-length gas system. It is finished off with Magpul Mid-length MOE M-Lok Black Handguards, an F-marked Front Sight Base, and an A2 Flash Hider.
Upper: The forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt Carrier Group: Shot peened Carpenter 158 Bolt, MP tested & phosphate coated. 8620 full auto profile steel carrier is chrome lined and phosphate coated. Chrome lined gas key is fastened with grade 8 bolts and staked per mil-spec.
Lower Build Kit: Includes Palmetto State Armory Freedom Lower Parts Kit with MOE grip, MOE stock, and Mil-Spec buffer tube assembly. Everything you need to finish your stripped lower!
Each upper is assembled to order, and test fired to check gas function.