Fab Defense Mako FRBS Stealth Black Stealth Black Automatic Deploy Weaver Picatinny Rear & Front Flip Up Backup Auxiliary AR15 AR-15 M16 M4 M-4 Flattop Back Up Low Profile Polymer Iron Sight Mount with Adjustment Finger Knobs + Ultimate Arms Gear Rifle/Shotgun/Pistol/Gun Care and Reel Silicone Lubricated Cleaning Cloth 12" x 14"