Gut it out and install either all PDI parts or all Laylax (AKA Prommy/NineBall) parts. To get it shooting well (as in *slightly* better than a stock AEG), all you need is a bucking and a barrel. To get it shooting better than that you'll need to gut it all out, install those upgrade parts, and do some hand tuning. You'll also need to get a bunch of parts for reliability (namely the Laylax Zero trigger or PDI V Trigger depending on the type of cylinder/piston setup you decide to go with, there are pros and cons to both systems, IIRC one you can get the trigger pull super feather light while the other has other pros/cons). Gut it out and install either all PDI parts or all Laylax (AKA Prommy/NineBall) parts. To get it shooting well (as in *slightly* better than a stock AEG), all you need is a bucking and a barrel. To get it shooting better than that you'll need to gut it all out, install those upgrade parts, and do some hand tuning. You'll also need to get a bunch of parts for reliability (namely the Laylax Zero trigger or PDI V Trigger depending on the type of cylinder/piston setup you decide to go with, there are pros and cons to both systems, IIRC one you can get the trigger pull super feather light while the other has other pros/cons). I bought a JG BAR-10 (supposed to be a pretty good TM clone) because it shot