Magpul's ESK for the CZ Scorpion EVO3 platform is an optimized safety selector lever kit that provides easier firing hand access to the weapon selector lever. Using the OEM selector drum"" the ESK- CZ scorpion EVO3 levers can be configured for ambidextrous use"" include short and long paddles"" and an optional safety delete. A complimentary product to Magpul's MOE-EVO Grip"" it's also compatible with OEM and aftermarket grips