LaserMax Spartan Adjustable Rail Mounted Red Laser Sightis one of the most versatile rail mounted laser sights. The LaserMax Spartan Red Sight provides precision accuracy while also providing personal comfort for both left and right-hand users. This red laser sight may be small in size but it boasts 5+ hours of continuous use and automatically goes into preservation mode after 10 minutes of inactivity. It's functionality is user programmable and fully adjustable for windage and elevation, which also ensures precise targeting. The LaserMax Spartan Red Laser Sight features revolutionary technology and usability for beginners to expert shooters. Also available in green.