Action Army B01-026 CNC Tokyo Marui VSR10 / KJ M700 Long Scope Rail Set, Full Aluminum CNC, Mad in Taiwan, Designed for Tokyo Marui VSR10 / Well MB03 / KJ M700 Disclaimer for accessories and parts: Professional installation is recommended/may be required. We are not responsible for any damage that may occur. For best results, please have a professional airsoft Tech install all upgrade components at a certified professional airsoft technician/shop.