The Burris FastFire C 6 MOA Red Dot Reflex Sight is a compact and lightweight optic designed specifically for sub-compact and micro-compact pistols used in everyday and concealed carry. Weighing less than one ounce, it features "Always On" technology with a 25,000-hour run time, powered by a CR2032 battery. The 6 MOA red dot provides quick target acquisition and easy aiming, while the Intelligent Auto-Bright system ensures optimal visibility in any light condition.