Upgrade advise for G&G UMG
Hi everybody, I need a good advise from you. I look to internally upgrade my G&G UMG. What do you suggest ? Someone already tryed to upgrade this AEG ?
I think of a Systema M120 (approx. 350 FPS) upgrade spring and also change the nylon bushings fo steel bushings ? Other parts should I look after to replace ? I just want to change what is necessary. Would you recommended to run the gun on a 9,4 V battery after the upgrade ?
Please indicated me the parts and the brand. I'm living near Montreal, I think I'm going to make the upgrade by myself, but if someone can do it for me, it would be great ? I don't want to improvise, so if you have try a good upgrade with your G&G UMG in the past, tell me your ''receipe''.
Thanks.
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