TacFire Bu-9MM-4 Pistol Upper Assembly 9mm Luger Caliber With 4" Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard For AR-Platform Includes Bolt Carrier Group Chambered In 9mm, This Pistol Upper Is Completely Built And Ready To Be Put On a Lower. Includes a Bolt Carrier Group. Type: Complete Caliber: 9mm Luger Sights: None, Optic Ready Barrel Length: 4" Barrel Finish: Black Nitride Receiver Finish: Black Anodized Handguards: M-LOK Handguard Finish: Black Barrel Length Range: 4" To 4.99"
