BURRIS FASTFIRE(TM) 4 RED DOT REFLEX SIGHT Instant on-target accuracy for any firearm from handguns to shotguns. A great choice for 3-Gun and wing shooting, and any use from patrol to plinking. Multiple reticle options, massive battery life and 4 different reticles make FastFire 4 the most versatile red dot reflex you can mount. FEATURES Toggle between four different reticle options Larger sight window for faster target acquisition Longer battery life - up to 26k hours on medium brightness Brighter aiming point Optional screw-on weather shield for a completely enclosed sight Auto-Brightness & Auto-shutoff after 8 h Mfg: Burris