Guarder CNC Steel Outer Barrel for MARUI G17 Gen4 100% CNC Process, For MARUI G17 Gen4 GBB Use Only!Material : SteelColor : BlackGuarder : GLK-219(BK)Guarder CNC Steel Outer Barrel for MARUI G17 Gen4SKU: GUARDER-PART-GLK-219(BK)$44.00PriceQuantityAdd to CartBuy Now