Shrewd Optum ring system 35 / 40mm no pin clearance Our superior construction provides thick

Our superior construction provides thick shock absorbing foam padding and a tough scratch and water resistant exterior designed for outdoor use

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3 x Koi Carbon Shafts

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Shrewd Optum ring system 35 / 40mm no pin clearance Our superior construction provides thickOPTUM RING SYSTEM (O. R. S.) FOR THE 35MM AND 40MM OPTUM SCOPE 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 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