LEAPERS UTG PRO 30mm 2pc Med Profile P.O.IáPicatinny Rings The Leapers UTG PRO 30mm 2 pc Medium Profile P.O.I Picatinny Rings are proudly designed and made in the USA. The Medium Profile P.O.I rings have a 30mm center height to fit optics with a 30mm tube and up to a 59mm outer objective. The Innovative P.O.I addresses 3 of the most critical areas in scope rings. They are progressively machined for a precise inner ring surface to achieve a seamless ring-to-scope interaction. The low profile and flush-fit