JG mp5 sd5 upgrade
Hello friends, i need some advice, i have a mp5 and i will upgrade this gun whit a systema m120 spring, whit metal bushings, chrome cylinder, bering spring guide, eg 1000 motor, stock piston head and cylinder head, half metal teeth piston whit AOE mod and sorbo and will use 0,28 bbs, AWG 14 wire and mosfet.
what do you think that will need to be added in order to run without problems ? what do i need more ?
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