Liberty is the all new open reflex red dot sight intended for every day carry and law enforcement duty use on pistols, carbines, and shotguns. Narrower and shorter than our previous Kingslayer series, Liberty is made from tough 7075 aluminum, has a 1x22mm window size and is packed with advanced features that make every day use worry free. Greatly improved battery life, Shake 'N Wake motion sensing illumination, scratch-resistant hardcoat finish-- Liberty checks every box. Now the old days of spending as much money on your optic as on your sidearm are officially over. Fits RMR Footprint. Mfg: Swampfox Optics