Spool Roller Recirculating 6mm BBs
Free     Myminifactory     DesignCell

Spool Roller (Recirculating 6mm BBs)

Spool Roller utilizing 6mm airsoft BBs I needed something more flexible while liking the idea of mostly printed rolling elements I used the cheapest 6mm airsoft BBs I could find on Amazon while no other hardware is required The BB recirculate ...

similar models —

Spool Roller (Recirculating 6mm BBs) alternatives