Barrel: 16" Chrome-lined, chrome moly vanadium. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a mid-length gas system. The modified A2 profile barrel is phosphate coated to mil-specs. Barrel is finished off with an .750" diameter F-marked front sight base with sling swivel, standard handguards and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts and T-marks, these upper upper receivers are made for us right here in the USA.
Bolt Carrier Group: For AR15 and M16 rifles and carbines. Made by a mil-spec contractor, these feature a Carpenter 158 Bolt, and a full profile chrome lined carrier.
Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Bolt carrier is parkerized outside and chrome lined inside.
Lower Build Kit: Includes PSA M4 Stock, A2 Pistol grip, Palmetto State Armory Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower.
Each upper is assembled to order, and test fired to check gas function.