Shrewd Optum 40/35mm Ring System Diameter:.019 Makes changing springs to modify

Makes changing springs to modify the trigger tension a breeze

match-grade trigger that utilizes a fully contained rolling sear set at a crisp 3

• Made with Dynagen

It can be dispensed all at one time

Shrewd Optum 40/35mm Ring System Diameter:.019 Makes changing springs to modifyOptum Ring system (O. R. S.) for the 35mm and 40mm Optum scope This must be used in conjunction with an Optum scope Makes it possible for shooters to change pin positions, fiber color, or fiber size by swapping between multiple rings in seconds Features exterior fiber wrap that captures ambient light for a brighter pin Adjustable fiber cover allows precise control over fiber brightness Two 8 32 holes for installing a light in seconds Eight pin