Shrewd Optum Ring System 40mm-35mm .019 Pin

The Optum Ring System (ORS) enables archers to easily and quickly change pin position, swap pin sizes, and switch fiber colors. With multiple rings it is possible to change between the two just by removing two screws and pulling the ORS from the scope body. Must be purchased for use with Optum Scope.

Features:Change pin position;Swap pin sizes;Switch fiber colors