ESK Enhanced Selector Kit HK Color:Black which is the same aluminum

which is the same aluminum and manufacturing process used to make mil-spec upper and lower receivers

O-ring sealed

Features Fits a wide range of full-size

Inset liner lock

Daniel Defense's One O'clock Offset Rail (Rock & Lock) is optimized for mounting miniature red dot optics in the 1 O'clock (right-hand) or 11 O'clock (left-hand) positions for quick

ESK Enhanced Selector Kit HK Color:Black which is the same aluminumProduct Details The Magpul ESK (Enhanced Selector Kit) offers a variety of selector levers for the Magpul SL Grip Module & HK Polymer Trigger Housings. Keeping with the Magpul blueprint of innovation, the Magpul ESK results in a modular, ambidextrous selector with enhanced ergonomics. It provides a modern rendition of the classic MP5 SSL with updated aesthetics. With easier access to the user configurable levers, the Magpul ESK allows quick firing