Light, bright, and fast, the TRUGLO Tru Bright opens up your sight picture while maintaining sloped aluminum sidewalls for increased strength and cover from glare and reflection. Dual Color illumination allows you to select a red or green reticle to obtain better contrast against your target. Features:Two choices of reticle color for contrast against any target/backgroundDurable compact design34mm x 24mm window for ultra-fast target acquisitionUnlimited eye reliefWide field of viewAnti-reflective coating on target sideParallax free at 30 yardsIntegrated Weaver-style mounting system