Burris RT6 Rifle Scope 30mm Tube 1-6x 24mm Illuminated Ballistic AR Reticle Matte with FastFire III and P.E.P.R. Mount Speed reigns supreme in three-gun competition. So if you want to compete, you better be fast on the target and fast to shoot. Race inspired and tactical strong, the RT-6 is built for speed, accuracy and easy handling. Guaranteed to shave seconds off the clock. Fast Fire III Info: The The next generation of FastFire Red-Dot is here with the introduction of the FastFire III. The popular FastFire II is even better with upgraded features that include a top mounted battery for easier battery replacement, upgraded windage and elevation adjustments and a power button that provides three manual brightness settings and an automatic brightness setting with low battery indicator. The precision FastFire III allows for manual brightness adjustment 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 FastFire III is covered by the Burris 1-year factory warranty Technical Information (FastFire III) Style: Reflex Magnification: 1x Sight Window: 21mm x 15mm Dot Size: 3 MOA Adjustment Range @ 100 yards: 190" Reticle color: Red Housing material: Steel Recoil resistance: 1000 G's Battery Type: (1) CR1632 Length: 1.8" Weight: 0.9 oz.