Originally Posted by Slick
Not just the ball bearing. I wouldnt install the set screw either. Whats the point. I noticed from the power of the magnets in the motor, when I fired the gun the set screw would spin and tighten in the grip. If you plan on installing the set screw I would use red locktight and give it time to dry.
I would definatly install the set screw and use semi-permeniante loc-tite(blue). If for nothing else just to help keep crap out of the grip and motor