Shrewd Optum ring system 35 / 40mm no pin clearance AND TIGHTER UNIFORM SPINE CONSISTENCY

AND TIGHTER UNIFORM SPINE CONSISTENCY

while adding more abrasion resistance than the upper fabric

Weight Length Width Tungsten %  23 grams  48

All our bow and arrow accessories are meticulously developed over hundreds of hours of testing and refinement in consultation with archery professionals

3 x Koi Carbon Shafts

Shrewd Optum ring system 35 / 40mm no pin clearance AND TIGHTER UNIFORM SPINE CONSISTENCYOPTUM 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