The Crimson Trace hardline optics are meticulously crafted for tactical and target shooting applications, engineered from the ground up with durability and performance in mind. These scopes feature aerospace-grade 1 inches and 30mm tubes designed to withstand rigorous use and abuse. They provide generous eye relief for swift target reacquisition. Fully multi-coated lenses ensure optimal light transmission, while nitrogen purging makes them waterproof and ready-to withstand various environmental conditions. Backed by Crimson Trace's lifetime protection guaranteed warranty, these scopes offer peace of mind and are supported by their award-winning customer service team.