TacFire Bu-300-10 Pistol Upper Assembly 300 Blackout Caliber With 10" Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard For AR-Platform Includes Bolt Carrier Group Chambered In 300 Blackout, This Rifle Upper Is Completely Built And Ready To Be Put On a Lower. Includes Bolt Carrier Group. Type: Complete Caliber: 300 Blackout Sights: None, Optic Ready Barrel Length: 10" Barrel Finish: Black Nitride Receiver Finish: Black Anodized Handguards: M-LOK Handguard Finish: Black Barrel Length Range: 10" To 10.99"
