16'' Hammer Forged M4A1 BLACKHAWK! Rifle Kit

Everything you need to turn your stripped lower into a rifle for one low introductory price.  Kit includes a PSA 16" Hammer-Forged, Chrome-Lined, M4A1 upper, AR15 profile 8620 BCG, charging handle and our Blackhawk! Lower Build Kit. Lower Build Kit:  Includes Blackhawk! M4-style stock with QD swivel, Blackhawk! Pistol grip, Palmetto State Armory Lower Parts Kit and Mil-Spec size buffer tube, castle nut, end plate, carbine spring, and  Standard carbine buffer. Barrel:  A proprietary blend of Hammer forged chrome molly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons.   The hammer forging process work hardens the steel, making it more durable.  In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability.  Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a carbine gas system.   M4A1 style profile is phosphate coated to mil-specs.  Barrel is High Pressure tested, and Magnetic Particle inspected, to ensure quality and dependability, and is finished off with an F-marked front sight post with sling swivel, and 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, these uppers are made for us right here in the USA. Bolt: Bolt is made of 8620 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. AR-15 semi-auto profile bolt carrier is parkerized outside, and chrome lined inside. Each upper is assembled to order with care, and test fired. *Please allow at least 15 business days for your rifle kit to ship from our facility.  Holiday and special sale lead times can be longer* Shipping labels are created shortly after orders are placed.  Shipping labels update when the product leaves our facility and are en route to their destination. You will be emailed tracking information when the order leaves our facility, however if you receive one shortly after you place your order and it remains dormant, don’t be alarmed. Your tracking information will be updated when it leaves our facility and is still subject to the aforementioned lead time.  If your tracking number goes beyond the listed lead time please get in contact with us via email or phone and we will look into your issue. Signature required on delivery.