Shrewd Optum Ring System

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. Specifications for Shrewd Optum Ring System: Manufacturer: Shrewd Color: Black Package Contents: Shrewd Optum Ring System