Im currently setting up a rifle to shoot both palma and match rifle. Match rifle is shot with a scope at 1000, 1000 and 1200 yards. I deed to have a 30moa or more rail to moumt the scope. The rifle currently has an apature sight mounted to a sight block on the side of the action. I would like to have the sights a lot higher but that isnt possible with my current rear sight. Is there a sight that mounts on a picatinny rail made that can be mounted on a rail with. Built in moa