HOP UP UNIT

WII TECH - CNC Aluminium Enhanced Hop-up Compression Bar for Tokyo Marui M4 GBBR Series
This aluminium hop-up compression bar is made by precision CNC process for Tokyo Marui M4 GBB/MWS. This bar replaces the original Tokyo Marui hop-up compression bar and rubber hop-up rivet. The modification of this bar improves the hop up performance and reliability.

GunsModify - Tokyo Marui M4 GBBR Series (MWS) Complete Springs Set
This set contains a total of 23 springs Trigger rest x1 Semi / Full Auto Sear x2Trigger Sear Spring x1 Trigger Pin C Spring x1 Hammer Spring x1 Firing pin reset spring x1 Bolt stop x1 Zet buffer spring x1 Selector spring x1 Mag Catch Spring x1 Receiver pin spring x2 Buffer Stop Spring x1 Buffer Main Spring x1 Buffer inner spring x1 Hopup adjuster click spring x1 Forward asister main spring x1 Forward inside spring x1 Nozzle pull buffer spring x1 150% Nozzle reset spring x1 Dummy extractor spring x1 Valve spring x1

ANGRY GUN - Enhanced Drop In Complete MPA Nozzle Set for Tokyo Marui M4 MWS GBBR Series

ANGRY GUN - CNC Complete Hop Up Adjuster Set for Tokyo Marui M4 MWS GBBR Series