Night Fision Holosun 507c Adaptor Plate + Blacked Out Sights Combo RMR/507c to CZ-P10 Black CZU-OPBS-RMR-P10-ZXZX. Alongside our rugged nitride-coated 17-4 stainless steel optic plate this set includes a lower 1/3rd co-witness backup sight setup...