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Matrix / AIM Lipoly Ready 8mm Complete Gearbox for M4 / M16 series Airsoft AEG ( M130 / Front Wiring)

1 Customer Review

by Sheelone V. on 10/01/2014
"This gearbox is ok as a standard replacement gearbox, I had alot of gripes about this gearbox. You get what you pay for. I had to open this and replace the wiring and air nozzle to be compatible with my scar H ssr and in doing so, made a few observations

-the shell looks good and it should last long
-The gear set didn't self shim like in the photos, just one shim on the bottom of the spur, none on top. No shims on the top of the beval gear except for one on the bottom. There are absolutely no shims on the sector gear. the anti reversal latch is standard and each bushing has ball bearings.
-The trigger switch plastic is really, really, really cheap plastic that looks like it might melt if you hold onto full auto too long
-The piston teeth stripped when i pulled the trigger on semi-auto for the first time
-The piston plastic is just as cheap as the trigger switch assembly
-There was hardly any gear grease in the gearbox
-The cylinder is actually the nicest component because it has DOUBLE O-Rings and looks like stainless steel.
-The wiring was barely soldered on as it looked like if you bent it a little it would have broken off