The Burris Fullfield E1 non-illuminated 3-9x40mm rifle scope is the absolute classic size for American hunters in all sorts of terrain and conditions. 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. Designed for enthusiasts who want a simple, yet sophisticated, reticle for supreme accuracy Finger-adjustable windage and elevation turrets create a sleek profile Turret indications always reflect a change in the point of impact, for pinpoint accuracy Separated power ring and eyepiece design accepts flip-up lens covers High-grade optical glass provides excellent brightness and clarity with lasting durability Index-matched, Hi-Lume multicoating aids in low-light performance and glare elimination, increasing your success rate The double internal spring-tension system allows the scope to hold zero through shock, recoil, and vibrations Positive steel-on-steel adjustments ensure repeatable accuracy Waterproof Nitrogen-filled scope tubes prevent internal fogging, even in cold and rain Durable, stress-free, solid 1-piece outer tube withstands shock and vibrations of even the heaviest-recoiling calibers