The Crimson Trace Rail Master is a compact, universal rail-mounted laser sight designed for pistols, rifles, and shotguns equipped with Picatinny or Weaver-style accessory rails. Its improved aluminum clamp system provides a secure and stable attachment, while its compact design ensures minimal bulk without sacrificing performance. Built for versatility, it delivers reliable targeting assistance across a wide range of modern firearms. Product Details Product: Crimson Trace Rail Master Mount Type: M1913 Picatinny / Weaver-style rail Compatibility: Pistols, rifles, and shotguns with accessory rails Power Source: 1/3N 3V lithium battery Battery Life: Approximately 2 hours Laser Class: Class 3R Laser Output: 5mW peak Wavelength: 515 532nm (green) Color Options: Green (daylight visibility), Red (low light) Product Features Universal fit for most Picatinny and Weaver-style rails Improved aluminum clamp design for secure mounting Ambidextrous instant activation (tap on/off) 5-minute auto shut-off for battery conservation User-adjustable windage and elevation settings Compact design for minimal bulk on firearm Designed for pistols, rifles, and shotguns