Leupold has its own rear iron sight that would co-witness and can be set up on the Deltapoint Professional. For entrance sight, you must measure within the leading of one's slide to The underside on the glass within the DeltaPoint Pro and include 0.065? for absolute co-witness. Cùng nhìn l?i 10 m?u ?i?n tho?i Nokia v? ??i nh?t trong l?ch s? và