The Burris Optics FastFire C is a game-changing red dot optic designed to elevate the accuracy of sub-compact and micro-compact pistols. Its featherlight construction, at less than one ounce, ensures it adds minimal weight to your carry, perfect for everyday and concealed carry scenarios. The optic is built to last with "Always On" technology, offering an impressive 25,000-hour battery life from a single CR2032 battery. The low-profile design supports seamless integration with your pistol, providing the option for absolute or 1/3 co-witness without the bulk of elevated sights. With the Intelligent Auto-Bright system and manual illumination settings, the FastFire C adapts to any lighting situation, ensuring clear sight and optimal target acquisition at all times.Features:Tailored for everyday and concealed carry;?Always On" technology for constant readiness;25,000-hour run time powered by a CR2032 battery;Low profile design allows for absolute or 1/3 co-witness with standard open sights;Manual illumination settings available;Advanced composite polymer construction;1x magnification for both-eyes-open shooting and enhanced awareness;Bright red 6 MOA aiming dot for fast target acquisition;80 MOA elevation adjustment and windage adjustments;Length of 1.61 inches and weight of 0.44 ounces;Push-button illumination control with 5 brightness settings plus Burris Intelligent Autobright;Includes a 1 degree (60 MOA) shim for additional elevation adjustment if needed;Optional rear post sight can be installed or removed using the same mounting screws as the optic