at3 tactical aro micro red dot sight - pistol mount, low mount, optional riser mount - 3 moa compact reflex sight at3 tactical aro red dot sight specs:<ul> <li>power / obj. lens: 1x23mm</li> <li>reticle: 3 moa red dot</li> <li>lens coating: multi-coated</li> <li>weight: 1.8 oz</li> <li>mounting length: 1.1 inch / 28 mm</li> <li>total length: 7.8 in / 46 mm</li> <li>objective lens area: 23mm x 21 mm</li> <li>battery type: cr1632 (battery included)</li> <li>battery life: approximately 5,000 hours on medium setting</li> <li>auto shut-off: 6 hours</li> <li>windage/elevation click value: 1 moa per click</li> <li>adj range: +/- 50 moa (total adjustment range 100 moa)</li> <li>eye relief: unlimited</li> <li>parallax adjustment: fixed</li> <li>field of view: unlimited</li> <li>night vision compatible: no</li> <li>nitrogen filled: yes</li> <li>waterproof/fogproof: yes</li> <li>recoil resistance - certified up to 500g's. certified for use with large-caliber rifles, pistol, and shotguns, as well as "springer" airguns with 2-way recoil</li> <li>body material: 6061 aluminum</li> <li>finish: matte black anodized</li> </ul>