The Leupold Mark 4 12-40x 60mm Tactical Spotting Scope is the official spotting scope of the U.S. Army's new XM110 Semi-Automatic Sniper System (SASS). The Mark 4 12-40x60mm Tactical Spotting Scope is ideally suited for use as part of a shooting team. Powerful, with bright, clear optics, it's also supremely rugged and waterproof. It's for all these reasons that the Leupold Mark 4 spotting scope is highly prized by hunters and shooters everywhere, as well. FeaturesPowerful and compact Rugged and waterproofIdeal for hunters and shooters