Bright green laser marks point of impact on target. Compact lightweight design for comfortable concealed carry. Fits Picatinny, Weaver, Glock and many other pistol rails. Constant or pulsing beam modes with ambidextrous activation. Single battery design – replace without removing from rail. Adjustable windage and elevation with recoil lug positioning. 8 hours continuous, 18 hours pulse mode. 4°F to 149°F (-20°C to 65°C). Compatible with Picatinny, Weaver, Glock, and many other pistol rails. Features adjustable recoil lug for versatile positioning on various handgun platforms. TRUGLO Sight-Line Green Laser Sight. Message us – we respond quickly.