Merchandise may be returned with prior approval to Tacticalsight.com within 10 days of receipt for a full refund, provided the items are returned to us in brand new condition in the original packaging. Once you mount a scope it becomes a used product and used products are not eligible for refund, exchange, or return(placing the scope in the rings constitutes mounting). We may assess a 15% restocking fee for returns that do not our return guidelines. All products we sell carry their factory supported warranty. Tacticalsight.com does not offer any express warranty itself on the products sold, as such, all warranty related issues should be discussed with the manufacturer. We will do our best to obtain factory assistance if need be but all warranty is through the manufacturer.