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Madbull Ultimate Ball Bearing Spring Guide for Ver 2 Airsoft AEG Gearboxes

1 Customer Review

by Isaac S. on 03/20/2017
"Really nice quality part, even the tech that put it in for me liked it and thought I paid alot more for it. Put it in a lonex gearbox, the gun shoots 437fps and it handle a it great. I've had other ball bearing spring guides actually shatter with less fps.