PSA 16″ Mid-Length Upper, 5.56 NATO, with BCG and MBUS Sights, M-LOK Handguard

This Palmetto State Armory complete upper receiver has the following specs: Barrel16″ 4150V chrome moly vanadium steel, chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, mid-length gas system, and a lightweight pencil profile. The barrel is nitride coated and finished off with a 0.625″ diameter low profile gas block, PSA 15″ Lightweight M-lok free float rail and an A2 flash hider. UpperForged 7075-T6 A3 AR upper is machined to MIL-SPEC and hard coat anodized. These uppers are made in the USA by a mil-spec manufacturer. Bolt Carrier GroupToolCraft BCG has a bolt made of mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. SightsMagpul MBUS Flip-Up Sight Set More DetailsBarrel Length: 16″Gas System: Mid-lengthBarrel Profile: PencilBarrel Steel: 4150V Chrome MolyBarrel Finish: NitrideChrome Lining: NoneMuzzle Thread: 1/2-28Chamber: 5.56 NATOTwist Rate: 1 in 7″Barrel Extension: M4Diameter at Gas Block: .625″Gas Block Type: Low-profileMuzzle Device: A2 Style Flash HiderReceiver Material: Forged 7075 T6Receiver Type: M4Handguard Type: PSA 15″ Lightweight M-Lok RailBolt Carrier Group Included: YesBolt Steel: Carpenter 158Bolt Carrier Profile: Full-auto Charging Handle included: YesOverall Length: 24.5″ No FFL required, this can ship directly to you.