DETAILS
Barrel Length: 11.5″
Barrel Profile: A2
Gas System: Carbine-Length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: No
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: PSA A2 Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 10.5″ Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Build Kit: MOE SBA3 Pistol Kit, Black