Barrel Length: 16"
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 76 Aluminum
Receiver Type: M4
Handguard Type: PSA 13.5" 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: 24.5"
Barrel: This Chrome Moly vanadium 4150V barrel is chambered in .300 AAC Blackout with a 1:8" twist, M4 barrel extension, and a pistol-length gas system. It is phosphate coated and finished off with a .750" diameter gas block, a PSA 13.5" Lightweight M-Lok free float rail, and an A2 Flash Hider.
Upper: The 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: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Includes Charging Handle.
Build Kit: Includes Classic M4-Style Stock, A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower!