Shop › BACKUP BBL FOR G17 THRDD BLK BACKUP BBL FOR G17 THRDD BLK $154.99 Backup Tactical Threaded Barrel, 9MM, Fits Glock 17, Black Finish G17TB-BLK Quantity: Add To Cart Added! Backup Tactical Threaded Barrel, 9MM, Fits Glock 17, Black Finish G17TB-BLK