Crimson Trace Rail Master Pro Green Laser Sight & Tactical Light, Tan #CMR-301. The CMR-301 Rail Master Pro delivers robust power and versatility for rail-equipped rifles and carbines. Encased in a durable aluminum body, it features a laser sight and tactical light system offering 1000 lumens (peak) for illumination and a powerful green laser for precision targeting in various lighting conditions. The CMR-301 is user-programmable and can be operated with a pressure pad or tail-cap. It fits rifles and carbines with M1913 Picatinny or similar accessory rails measuring at least 2 3/4 in length. Dual Functionality: Integrated laser sight and tactical light system. High Lumen Output: 1000 lumens (peak) for superior illumination. Green Laser: High visibility green laser for precision targeting. User Programmable: Customizable settings for tailored operation. Multiple Activation Options: Operable via pressure pad or tail-cap. Durable Construction: Aluminum body for robust durability. Versatile Mounting: Fits standard rail-equipped rifles and carbines with M1913 Picatinny or similar accessory rails measuring at least 2 3/4 in length. Weather Resistant: Designed to withstand various environmental conditions. Shockproof: Built to handle rigorous use and impacts.