Vortex Precision Matched Rings (Set of 2) for 30mm (1.45 Inch /36.8 mm). PMR-30-145

Machined with certified USA 7075 T6 billet aluminum and held to an extremely tight tolerance of .0005 inches using a precision Computer Numeric Controlled (CNC) mill. These Vortex rings are then serialized, vibratory tumbled, bead blasted and finished with a Type III hard coat anodize. For safe installation torque base screws to 45-50 in-lbs and cap screws to 15-18 in-lbs