.Suitable for JM Gen.9 M4A1 and all v2 gearboxes, Water Gel Blaster Upgrade,replace the original plastic trigger for a stronger metal one and looking tacticool. .The modification requires a certain amount of hands-on ability, and the modification is risky ,players need to carefully consider as this will also void warranty of blaster. Specifications: .Color: Black .Material: Metal .Product Weight: 12g
