3-9x is the absolute classic size for American hunters in all sorts of terrain and conditions. Burris offers two 3-9x40mm scopes in the Fullfield E1 family one features an illuminated reticle one is non-illuminated. - The illuminated model features 10 brightness settings. - This state-of-the-art reticle has cascading windage and elevation dots so you can execute long-range shots out to 500 yards in still or windy conditions. - The riflescope is resistant to a lifetime of field use heavy recoil and harsh vibration. It is protected by the Burris Forever Warranty.