This Gun Star all steel thumb screw saddle mount with 30mm rings features quick and easy removal by turning the locking thumb screws, recoil resistance, a guarantee to return to zero after reattachment, aircraft grade aluminum rings, and heat treated base and locks with a blued finish. This is a very low mount is compatible with all guns with a Blaser R93, R8, LRS2, K95, or S2 saddle mount system. Gun Star® We take pride in precision Gun Star Ltd. Gun Star Thumb Screw Saddle Mount 30mm Rings Blaser GS-Blaser-16-30