Barrel Length: 8.5"
Gas System: Pistol-Length
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 300AAC Blackout
Twist Rate: 1/8"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-Profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 7" Lightweight M-Lok Free Float
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 17"
Barrel: Chambered in 300AAC Blackout with a 1:8 twist rate, M4 barrel extension, and a pistol gas system. This barrel features a phosphate finish for accuracy and durability. It is finished off with a PSA 7" Lightweight M-Lok rail, .750" diameter low profile 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. 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.
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.
Each upper is assembled to order with care, and test fired.
MPN#: 5165501986Browse for more Uppers Palmetto State Armory.