[Eeyore]

Originally Posted by Crunchmeister

Dboys receivers sometimes have tight mag wells. Usually high-caps will fit well, as well as some plastic mags. But low and midcap mags will be very tight. So it involves sanding down the areas in the mag well that are too tight. Also, the little disc on the selector switch is often quite thick, causing problem with switching or putting pressure on one fo the bushings and gear axels, causing the bearbox to lock up. That can also be fixed with a dremel, or just buying a new selector switch.

That's pretty much all you may encounter with a DBoys receiver.

+1 Crunch is right.