Burris AR-PEPR Scope Mount 30mm with Picatinny Tops Allows up to 2 inches of forward scope positioning;Provides optimum eye relief and full field of view;Includes both smooth and Picatinny ring tops;Available in sizes: 30mm,34mm, 1in.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4000 Product Group Code: 4000C Product Sub Group 1: 4000C2 Inactive: No