at3 tactical rd-50 pro red dot sight with 1" riser - for lower 1/3 cowitness with iron sights - 2 moa compact red dot scope at3 tactical <p><strong>red dot sight technical specs </strong></p> <ul> <li>power / obj. lens: 1x23mm</li> <li>reticle: 2 moa red dot</li> <li>lens coating: multi-coated</li> <li>weight: 3.6 oz</li> <li>mounting length: 1.1 inch / 28 mm</li> <li>total length: 2.4 in / 61.8 mm</li> <li>exit pupil: 22mm</li> <li>battery type: cr2032 (renatatm cr2032 battery included)</li> <li>battery life: up to 50,000 hours on lowest setting. approx. 5,000 hour with typical use</li> <li>windage/elevation</li> <li>click value: 1 moa per click</li> <li>adj range: +/- 35 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>body material: 6061 aluminum</li> <li>finish: matte black anodized</li> </ul> <p><strong>riser mount technical specs</strong></p> <ul> <li>mounts on: picatinny or weaver rails</li> <li>length: 1.6"</li> <li>picatinny rail: 3 slots</li> <li>material: black anodized aircraft aluminum</li> <li>saddle height: 1 inch</li> <li>weight: 3.6 oz</li> </ul>