Silverback Airsoft announce some new external parts that can be used with the Silverback SRS Rifle, starting with the Scope Mount showin in the top photo... "Fully CNC AL 6061 T6 scope mount with hard black anodize finish. 34 mm rings (30 and 25 mm rubber adapter included), for picatinny standard (MIL-STD-1913), including a spirit level at the back side. This scope mount is a flat version (0 MOA inclinaison). Desert Tech licensed product, for airsoft use only.