Shrewd Optum Ring System 29mm CP By encapsulating layers of 304

By encapsulating layers of 304 stainless steel within high modulus carbon fiber

- Enlarged diameter windage and elevation knobs with click locks

Many target archers shoot both a thumb button release and a hinge

and green fiber included

5mm Diameter x 50mm Cuttle

Shrewd Optum Ring System 29mm CP By encapsulating layers of 30429mm 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)