Crimson Trace CMR-201 Rail Master | Red Rail Laser

The Crimson Trace Rail Master (CMR-201) is a universal rail-mounted red laser sight designed for firearms equipped with M1913 Picatinny or Weaver-style accessory rails. It produces a 5 mW red beam, is factory sighted at 50 feet, and offers instant tap on/tap off ambidextrous activation with a five-minute auto-shutoff to preserve battery life. The unit is user-adjustable for windage and elevation and is supplied with multiple inserts to accommodate a range of platforms.

Applications include sighting and target practice where a visible laser aids alignment, and low-light marksmanship drills or training to practice rapid sight acquisition without using live-fire scenarios. The Rail Master is intended for use on rail-equipped pistols, rifles, and shotguns.

Product Specifications

• The manufacturer is Crimson Trace.
• The model and part number are CMR-201 (Rail Master).
• Mounts to M1913 Picatinny or Weaver-style rails.
• The beam color is red.
• The laser output is 5 mW.
• The beam projects approximately a 0.5" dot at 50 feet.
• Factory sighted at 50 feet.
• Runs on a 1/3N 3V lithium battery.
• Battery life is approximately 4+ hours.
• Activation method is instant-tap on / tap off with ambidextrous control tabs.
• User-adjustable for windage and elevation: yes.
• Designed to fit rail-equipped pistols, rifles, and shotguns.
• The finish is black.
• Dimensions are listed as 2.15 x 3.35 x 5.35 inches.
• The UPC is 810048570980.

The Rail Master provides a compact, rail-compatible aiming reference that simplifies sight acquisition and training drills. Its Instant Activation controls and factory sighting at 50 feet make it useful for range work and non-live-fire alignment exercises. The included inserts and adjustable windage/elevation allow the unit to adapt to a wide variety of platforms while the auto-shutoff feature helps conserve battery life.

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