PSA AR-15 UPPER 300 BLACKOUT 16" PISTOL-LGTH 1:8 13.5" LTWT M-LOK

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: 300 AAC Blackout Twist Rate: 1 in 8" Barrel Extension: M4 Diameter at Gas Block: .750" Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 13" Lightweight M-Lok Rail Bolt Carrier Group Included: No Bolt Steel: N/A Bolt Carrier Profile: N/A Charging Handle included: No Overall Length: 24.5" *Upper Does Not Include BCG or Charging Handle