PSA 16" MID-LENGTH PENCIL 5.56 NATO 1:7 NITRIDE 15" LIGHTWEIGHT M-LOK UPPER W/ NIB BCG, CH, & MBUS SIGHTS

PRODUCT DETAILS DETAILS Barrel Length: 16" Gas System: Mid-length Barrel Profile: Pencil Barrel Steel: 4150V Chrome Moly Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1 in 7" Barrel Extension: M4 Diameter at Gas Block: .625" Gas Block Type: Low-profile Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand guard Type: PSA 15" Lightweight M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158, Nickel Boron Bolt Carrier Profile: Full-auto Charging Handle included: Yes Overall Length: 24.5" FEATURES Barrel: 16" 4150V chrome moly vanadium steel, chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, mid-length gas system and a light weight pencil profile. The barrel is nitride coated and finished off with an 0.625" diameter low profile gas block, PSA 15" Lightweight M-lok free float rail and an A2 flash hider. Upper: 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: ToolCraft nickel boron 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. Includes: Magpul MBUS Sight Set, Black