Out of the box, your MDR-X has two firing modes: single and full auto (*). If you want to disable full auto, you can follow this video tutorial to replace the PCB trigger.
(*) except for Germany.
MDR-X Trigger board Semi/Full: https://www.silverback-airsoft.com/ele-51
MDR-X Trigger board Semi only: https://www.silverback-airsoft.com/ele-52
MDRX Electronic Control Unit: https://www.silverback-airsoft.com/ele-50
MDR-X exploded views: https://www.silverback-airsoft.com/pdf/MDR-0000_explode_views.pdf
Music: VOYAGER & Introspektro - Dreams Of Yesterday: https://soundcloud.com/user-35853073/voyager-introspektro-dreams-of-yesterday
