Firefield FF26026 Impulse 1x 28mm Illuminated Red/Green Circle Dot AAA Black Matte The Firefield Impulse 1x28 tactical red dot sight is ideal for target shooting and hunting on rifles and shotguns. This parallax corrected compact sight features a cantilever mount design, allowing it to be mounted forward for use with a magnifier. The reticle illumination switches between red and green, permitting shooters to use their preference to see better in diverse circumstances. Its hard-wearing structure aids the Impulse in handling up to .50 caliber recoil and 48.6-1000 hours of battery life. This is achieved from a single AAA battery. The extremely lightweight 9.6 oz red dot sight is shockproof, fog proof and IPX5 weatherproof. Hand adjustable windage and elevation add to the user-friendly design of the Impulse. Included in the package are lens caps and battery. Features: Cantilever mount design Uses easily accessible AAA battery Red and green reticle illumination Parallax corrected optical system Hand adjustable windage and elevation Flip up caps