I have to new sets of Burris Xtreme Tactical Rings one set in 30mm and one in 1 inch. Both are High rings. Burris Part # 420164 and 420182. I opened the 30 mm package and reseal them the 1 inch package has never been opened. Bought by a friend wrong size. $ 50.00 per set will ship free anywhere in the lower 48 states. Paypal accepted.