UTG Pro P.O.I Picatinny 34mm Scope Rings Matte Black High

The innovative Precision Optics Interface (P.O.I) rings address 3 of the most critical areas in scope rings:Progressively machined for a precise inner ring surface to achieve a seamless ring-to-scope interactionLow profile and flush-fitting locking side plate controlled by dual spring loaded guide rods interfacing with the rail and torx screw locking to ensure secure and repeatable zero holdSquare-shaped integral recoil stop interfacing with a picatinny slot via complete surface contact to eliminate the possibility of forward and aft movement from recoil vibrationsThe P.O.I rings are designed to fit on mil-spec 1913 picatinny rail platforms and are machined from 6061-T6 aluminum alloy and 4605 steel with matte black hard coat anodizing. They also feature UTG's PRO original snag-free contoured profile which also reduces the overall weight and size.Center Height:High - 1.13"Medium - 1.1"Low - 0.91" Note: Leapers recommends to tighten the ring top screws with a torque value of about 25...