Shrewd Optum Ring System 29mm Size:No pin See the String Angle Chart

See the String Angle Chart in the FAQs tab on the home page to determine which string angle is needed for your setup

12 80-90-100gr 30'' 4

The Dual Indicator System reduces time and movement by providing a needle for shorter yardages combined with a 2nd needle for longer range shooting

50mm 450 5

Shrewd Optum Ring System 29mm Size:No pin See the String Angle Chart29mm Optum Ring System Features: Exterior fiber wrap with fiber bypass to allow fiber to wrap completely around the ring system for maximum light collection Adjustable fiber cover allows precise control over fiber brightness Two 8 32 holes for installing a light in seconds Eight pin positions Threaded on the target side for optional sunshades and lenses All 29mm Optum sunshades will thread into the ORS Includes: Optum ring body Fiber cover (installed)