Shop › ROSCO BLOODLINE BBL FOR GLK 17 ROSCO BLOODLINE BBL FOR GLK 17 $162.00 Rosco Manufacturing Bloodline, 9MM, 4.49" 416R Stainless Steel Barrel, 1:10, Melonite Finish, Nitride Black, Fits Glock 17 BL-G17-9MM-M-STD Quantity: Add To Cart Added! Rosco Manufacturing Bloodline, 9MM, 4.49" 416R Stainless Steel Barrel, 1:10, Melonite Finish, Nitride Black, Fits Glock 17 BL-G17-9MM-M-STD