Hawke Endurance 1x 25mm Red Dot - 3 MOA Dot - Easy to use. Hard to Beat. Features 3 MOA Red Dot With 8 Stage Digital Brightness Control 25 Layer Multi-Coated Optics For Maximum Clarity High 'Quick Release' & Low-Profile Weaver Mounts Parallax Error Free From 10 Yards/9 Meters Ideal For Pistols, ARs And Hunting Rifles High Quality Aluminum Construction The Sight Will Enter Standby Mode If No Movement Is Detected For 5 Minutes. Nitrogen purged. Shockproof. Waterproof. Fog proof. Hawke Two Year Warranty. Comes with high and low Weaver rail mounts.