Pro Arms Tritium Steel Sight (Black) - Umarex G17 Gen3 / Gen4, G19 Gen3 Revanchist check the fit first for

check the fit first for all pieces before removing the 3M tape from the back

Precision Double I/D Air-cushion Inner barrel

Lower Frame with lightweight and high quality

66) For KSC VZ61 GBB

Pro Arms Tritium Steel Sight (Black) - Umarex G17 Gen3 / Gen4, G19 Gen3 Revanchist check the fit first forColor: BlackMaterial: Tritium SteelItem No.: PA VFC G 028*PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out