Product OverviewThe Daniel Defense 1906411002 A1.5 Fixed Rear Sight is a lightweight and streamlined back-up iron sight specifically engineered for shooters utilizing contemporary reflex optics. Its design ensures that it does not obstruct the use of the charging handle on M4-type rifles, offering an efficient and user-friendly experience.Intended UseThis sight is primarily used for tactical applications, making it suitable for a variety of shooting environments including hunting and competitive shooting.Who It Is ForThis product is an excellent choice for serious shooters who require reliable backup sights. Those seeking alternative configurations may consider adjustable sights for more versatility in different shooting scenarios.Key FeaturesLightweight Design: The A1.5 rear sight's lightweight construction facilitates quick and easy handling without adding unnecessary bulk.Rock and Lock Technology: Its patented attachment method ensures a secure fit to Military Specification flattop upper receivers, enhancing stability during use.Absolute Cowitness Height: The sight is set at an absolute cowitness height, allowing for seamless integration with reflex optics.Rear Sight Apertures: Features two rear sight apertures - small at 0.070" and large at 0.200", catering to different shooting preferences.Real-World UseWhether you are on the range or in the field, the Daniel Defense 1906411002 A1.5 Fixed Rear Sight provides the reliability and performance you need. It pairs effectively with a reflex optic on an M4-type rifle, allowing for quick target acquisition and accurate shooting under various conditions.