Finally a place where to get some of the needed upgrade parts for the Tokyo Marui M4 SOPMOD and other new generation Tokyo Marui AEGs which have the electric blowback and recoil. The upgrade parts are available at Echigoya and you can have a selection of parts from Prometheus, First Factory, and Tokyo Marui themselves. Just click on the links below to learn more:

• Prometheus 20A Fuse for Tokyo Marui M4 Sopmod (3PCS)
• Prometheus Gold Connector Set for Tokyo Marui M4 Sopmod
• First Factory Hard Buffer Ring for SOPMOD M4 Series
• First Factory Hard Inner Block for SOPMOD M4 Series
• First Factory Smooth Front Reciever Pin for Sopmod M4 Series
• First Factory Trigger Lock Pin for SOPMOD M4 Series
• Tokyo Marui M4 Sopmod Replacement Piston
• Tokyo Marui Next Generation M4A1 Sopmod/Socom/Recce Lower Receiver