Unlock the ultimate shooting experience with the all new Meprolight MCO PRO Red Dot Sight.The advanced closed emitter design shields against all elements for peak performance in any environment. It features a user-selectable 3-segmentreticle with 10 Day/2 NV brightness settings allowing you to customize visibility for every scenario. Setting 5 gives you an impressive 25,000+ hours of battery life, complemented by automatic and manual brightness control along with a convenient Shake Awake feature. Plus, the recoil block ensures alignment and zero hold. It is IP67 water/dust proof rated. This durable optic is built for precision. Enhance your setup with a 1.93"riser (available separately) for initiative night vision use and delve into a new level of reliability and accuracy. FeaturesClosed Emitter DesignUser Selectable 3-Segment Reticle12 Brightness Settings (10 Daylight/2 Night Vision)Automatic and Manual Brightness ControlShake AwakeRecoil Block for Alignment and Zero Hold