Originally Posted by
greenwayjames
BSA used to make and sellthem for use with the Airsporter S. It works. 2 thin steel discs, a short, thick wall tube with tapered hole and a ball bearing. Place the tube on top of one of the discs. Drop pellet in nose fist. Drop ball bearing in skirt and push bearing down with the second disc until it comes to rest on top of the tube. Length of tube and sizes of taper determine the end result.