This Burris AR-P.E.P.R. Scope Mount w/Picatinny Top is available for 1-inch 30mm and 34mm tubes. This scope mount will allow for mounting of the largest of full-size scopes on an AR that has Picatinny rail uppers.This scope mount has a unique design that gives shooters as much as 2 inches of eye relief because of the forward positioning of the scope as well as a full field of view. Rings in smooth and Picatinny-style rail topped are also offered if more accessories are desired.