The Geissele SMP MK16 offers unmatched performance for the most demanding shooters. Mounted to you AR-15 upper using the updated version of the Geissele barrel nut, the MK16 is easy to install yet offers superior rigidity. Anit-rotational tabs and set-screws ensure that your rail will ont rotate, even under extreme conditions. M1913 Picatinny top rail and MLOK slots on the 3,6 & 9 o'clock positions offers maximum customization. 
 
Available in Black, DDC and ODG annodized hard coats.