Burris Blemished Products Burris blemished products exhibit minor cosmetic imperfections that originated during the manufacturing process, that will vary from blemished product to product. Blemished products and their included accessories are guaranteed by Burris to operate to the standards of a new product. All Burris blemished products are covered by the Burris Forever Warranty (View Warranty). Instant dot-on-target accuracy for any firearm from handgun to shotgun. 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 models make FastFire 4 the most versatile red dot reflex you can mount. Everything you loved about the Burris FastFire 3 plus... 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 hours Lightweight at 1.6 oz