Enhance your accuracy with the Crimson Trace CMR-201 Rail Master Laser Sight, expertly designed for universal fit on Picatinny and Weaver rail-equipped firearms. This cutting-edge laser sight offers instant activation, ensuring rapid targeting capabilities while maintaining superior ergonomics and quality. Fits pistol, rifles, and shotguns with M1913 Picatinny or Weaver-style Accessory Rail Activation Location - Dual Side Activation Activation Type - Instant Activation Attachment - Accessory Rail Attachment Achieve optimal performance with the versatile CMR-201, your reliable shooting companion.