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...
WII TECH - Hammer / Sear / Fire Pin Spring Set for Tokyo Marui M4 GBBR Series This hammer /sear / fire pin spring set fits Tokyo Marui M4 GBBR series. All springs are made of piano steel wire. It includes parts No.:50, 52x2 & 54.