PSA 16″ MID-LENGTH 5.56 NATO 1:7 NITRIDE 13.5″ LIGHTWEIGHT M-LOK UPPER WITH NICKEL BORON BCG & CH
Barrel Length: 16″
Gas System: Mid-Length
Barrel Profile: A2 Style
Barrel Steel: 4150V
Barrel Finish: Nitride Black
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand Guard Type: PSA 13.5″ M-Lok Lightweight Rail
Bolt Carrier Group Included: Yes, Nickel Boron
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Barrel: 16″ 4150V Chrome Moly steel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a mid-length gas system. Barrel is is finished off with a PSA 13.5″ Lightweight M-Lok free float rail, .750 gas block, and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. 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.