About Shrewd Optum Ring System
The Optum Ring System (O.R.S.) makes it possible for shooters to change pin positions, fiber color, or fiber size by swapping between multiple rings in seconds. This must be used in conjunction with an optum scope.
The Optum Ring System (O.R.S.) makes it possible for shooters to change pin positions, fiber color, or fiber size by swapping between multiple rings in seconds. This must be used in conjunction with an optum scope.
