The next generation of FastFire Red-Dot is here with the introduction of the FastFire III. The FastFire III has upgraded features that include a top mounted battery (CR2032) for easier battery replacement, upgraded windage and elevation adjustments, a power button that provides three manual brightness settings, and an automatic brightness setting with low battery indicator. This FastFire III comes in a 8 MOA dot and includes a protective cover and battery. Just like the rugged FastFire II, the FastFire III features a Steel body construction for extreme durability and is 100% waterproof. The ultimate CQB sight is perfect for mounting on your pistol, shotgun or rifle, and is offered with an optional picatinny mount.