Ft. Discovery AR15 reciever set in MAD Black, Sniper Grey & Smith’s Grey MAD Dragon Camo By admin | Published March 17, 2015 | Full size is 1200 × 880 pixels STI 2011 in our Reliability Package using Cerakote Cobalt, Ridgeway Blue, MAD Black & Micro Slick AR15 parts in Cerakote MAD Dragon using MAD Black, Smith's Grey & Sniper Grey