PSA 7.5" PISTOL-LENGTH 5.56 NATO 1/7 NITRIDE 6" LIGHTWEIGHT HEX M-LOK MOE EPT SBA3 PISTOL KIT

Barrel Length: 7" Barrel Profile: Heavy Gas System: Pistol-Length Barrel Steel: 4150V Chrome Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2 x 24" 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 Aluminum Receiver Type: M4 Handguard Type: PSA 6" Lightweight Hex Full Picatinny M-Lok Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Charging Handle Included: Yes Build Kit: PSA MOE SBA3 EPT Lower Build Kit, Black