Firefield FF26026: Helping bring Victory to your close-quarters pursuits, the Firefield Impulse 1x28 is a tactical red dot sight 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, allowing shooters to use their preference to see better in different situations. Designed in Texas, it's durable structure helps the Impulse handle up to .50 caliber recoil and 48.6-1000 hours of battery life is achieved from a single AAA battery. Extremely lightweight, this red dot weighs just 9.6 oz. and is shockproof, fog proof and IPX5 weatherproof. Hand adjustable windage and elevation add to the user-friendly design of the Impulse.