Leupold 177093 Integral Mounting System Mark AR Matte BlackThis Mark AR mounting system features an aluminum 1 piece integrated base and rings. It is designed to fit a Picatinny rail and any scope with a 1" maintube. Leupolds tactical Mark AR family of mounts gets your scope at the right height and the right eye relief while providing one of the most rock solid mounting solutions in the business. The Mark AR mount features a 5 bolt design for a secure hold, and 3 lugs on the bottom to withstand any kind of