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Barrel Length: 11.5"
Gas System: Carbine-length
Barrel Profile: A2 Style
Barrel Steel: 4150V Chrome Moly Vanadium
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: .750"
Gas Block Type: Low Profile Gas Block
Muzzle Device: A2 Style
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand guard Type: PSA 10.5" Lightweight Hex Full Picatinny M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Build Kit: PSA MOE EPT SBA3 Lower Build Kit, Black