THE BEST SIDE OF DAN WESSON 10MM STOPPING POWER

One more hard to find item–Redfield briefly made mounts for DW's. Similiar to the Buehler clamp, theis mount also locks over the topstrap.Does any one have any information on feasible dates or any other information on these. It took permanently to discover a single these in the best issue.Hopefully I can get out towards the range with it this wee