GC_UPC TacFire BU-9MM-10 Pistol Upper Assembly 9mm Luger Caliber with 10 in Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group $253.49 BU9MM10 show more like this Flat Rate Starting at $11.99 Hinterland Outfitters GC_UPC Tacfire 9mm 10" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-9MM-10 $261.84 BU-9MM-10 show more like this Calculated in Cart Classic Firearms GC_UPC Tacfire Bu-9Mm-10 Pistol Upper Assembly 9Mm Luger Caliber With 10" Black Nitride Barrel, Black Anodized 7075-T6 Aluminum Receiver & M-Lok Handguard For Ar-Platform Includes Bolt Carrier Group $261.84 BU-9MM-10 show more like this Firearms $18.45, Free over $500 Shooting Surplus GC_UPC TacFire BU-9MM-10 Pistol Upper Assembly 9mm Luger Caliber with 10" Black Nitride Barrel Black Anodized 7075-T6 Aluminum Receiver & M-LOK Handguard for AR-Platform Includes Bolt Carrier Group $262.93 BU9MM10 show more like this $10.95 flat rate GunStuff TV