16'' Chrome-lined M4A1 Rifle Kit

Everything you need to turn your stripped lower into a rifle for one low introductory price.  Kit includes a PSA 16" CMV, Chrome-lined, MP inspected, M4A1 profile, carbine-length upper, BCG, charging handle and our Classic Lower Build Kit.

Lower Build Kit:  Includes our M4-style stock, A2 Pistol grip, Palmetto State Armory Classic Lower Parts Kit with single-stage combat trigger, Mil-Spec diameter buffer tube, castle nut, end plate, carbine spring, and PSA Standard buffer.

Barrel: 16", CMV (4150) Steel, M4A1style profile, 5.56 NATO chamber with a 6-groove, 1:7 right-hand  twist , chrome-lined, bore, mid-length gas port, and M4 feedramps. Barrels are high pressure tested, mag particle inspected, and are finished off with a taper pinned, f-marked, front sight post, standard carbine-length handguards with heat sheilds, 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, and are marked with the Palmetto State Armory logo on the left side, up front, just below the rail.

Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is parkerized outside, chrome lined inside, and laser engraved with the Palmetto State Armory logo

Each upper is assembled to order, and test fired.  Please allow up to 15 business days for your upper to ship.    Holiday and special sale lead times can be longer.   Shipping: $15.00