PSA 7.5" 5.56 NATO 1/7 PHOSPHATE SUPPRESSOR READY 10" M-LOK UPPER W/BCG & CH

Barrel Length: 7.5" Barrel Profile: Heavy Gas System: Pistol-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 Fluted Flash Can Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 10" Lightweight M-Lok Suppressor-Ready Rail; Internal Diameter 1.625" Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto Charging Handle Included: Yes