Trijicon AC12001 ACOG Flattop Matte Black Aluminum Picatinny Rail Mount
http://www.tandktactical.com/shop/719307300514-trijicon-ac12001-acog-flattop-matte-black-aluminum-picatinny-rail-mount-38230
http://www.tandktactical.com/web/image/product.template/38230/image_1920?unique=ca1f7f0
ACOG Flattop Mount for MIL STD Rails. Features Colt Knob/Thumbscrew Mounts to MIL STD Rail.
