Sightmark LoPro Mini Green Laser Sight – Dark Earth SM25016DE. Perfect for home defense, security teams and even hunting, the Sightmark LoPro Flat Dark Earth Mini Green Laser Sight delivers pinpoint accuracy in any light condition with a class IIIa laser capable of reaching out to 600 yards at night (50 yards in daylight). The LoPro Mini Green Laser Sight features IPX5 weather-resistant and shockproof reliability, digital switch operation, push-button or pressure-pad operation, hand-adjustable windage and elevation, and up to 18 hours of operation from a single CR123A battery. The LoPro Mini Green Laser Light is recoil rated up to. 308 and mounts perfectly to Weaver and Picatinny rails. 26″L x 2.1″W x 1.4 H.