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Crimson Trace CMR-301 Rail Master Pro Green Laser & 1000-Lumen Light

UPC: 610242010110

$283.95

15 in stock

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Description

The Crimson Trace CMR-301 Rail Master Pro solves a problem most of us have wrestled with at some point: fitting both a light and a laser on a rifle without running out of rail. Instead of bolting on two units that fight over real estate and pile on weight, you get a forged aluminum body that carries a bright green laser and a white light side by side, all in one flat, low-profile package that stays out of the way of your other accessories.

The white light peaks at 1000 lumens and steps down to 500 and 150-lumen settings, which comes in handy when you want to stretch runtime or keep the beam from washing out the laser dot at close range. The 532nm green laser is the star here. Green shows up far better to the human eye than red, especially in daylight where a red dot tends to vanish, and this one stays visible at typical rifle distances. It adjusts for windage and elevation, so dialing in a clean zero is straightforward.

Running the CMR-301 Rail Master Pro

A mode selection dial on the back lets you pick light only, laser only, or both together, and the icons glow in the dark so you can find the right setting when the lights are out. There's a button right on the housing for direct operation, and when you plug in the included 6-inch remote pressure pad, that rear button locks out so the two switches never conflict. That gives you one clean point of control wherever you decide to place the pad on your handguard.

Mounting and Power on the CMR-301

The unit ships with both Picatinny (M1913) and M-LOK adapters plus the mounting hardware, so it drops onto most modern rifles, carbines, and shotguns with at least 2.75 inches of open rail. Power comes from a single rechargeable lithium battery that charges through the included USB-C cable right at the unit, meaning there's no separate charger to misplace and no need to dismount it to top off. Plan on roughly an hour of continuous run time, which goes a lot further with the momentary use most people rely on. The IPX7 waterproof rating and forged aluminum housing mean rain and rough handling in the field aren't going to slow it down.

Key Specifications

  • Model: CMR-301
  • Manufacturer: Crimson Trace
  • Manufacturer Part Number: 01-00020
  • UPC: 610242010110
  • Laser Color: Green
  • Laser Wavelength: 532nm
  • Laser Output: 5mW, Class 3R
  • Dot Size: 0.50" at 50 ft
  • Light Output: 1000 lumens peak (500 / 150 lumen settings)
  • Battery: Rechargeable lithium (USB-C charging)
  • Runtime: Approximately 1 hour continuous
  • Housing: Forged aluminum
  • Waterproof Rating: IPX7
  • Mount Type: Picatinny (M1913) and M-LOK adapters included
  • Rail Requirement: At least 2.75 inches
  • Finish: Black

What’s Included

  • CMR-301 Rail Master Pro laser/light unit
  • Picatinny (M1913) rail adapter
  • M-LOK rail adapter
  • 6-inch remote pressure pad switch
  • Rechargeable lithium battery
  • USB-C charging cable
  • Mounting hardware

Frequently Asked Questions

Does the CMR-301 fit both Picatinny and M-LOK rails?

Yes. It ships with both a Picatinny (M1913) adapter and an M-LOK adapter along with the mounting hardware, so it works on most rifles, carbines, and shotguns. You just need at least 2.75 inches of open rail to mount it.

How long does the battery last and how do you charge it?

Plan on roughly an hour of continuous run time with both the laser and light going, which stretches much further with momentary use since you rarely run everything full-time. It uses a single rechargeable lithium battery that charges through the included USB-C cable right at the unit, so there's no separate charger to lose. You don't even have to dismount it to top off the charge.

Can you use the green laser in daylight?

Green lasers show up far better to the human eye than red, especially in daylight where a red dot can be tough to see. The 532nm green laser on the CMR-301 stays visible at typical rifle distances, and it adjusts for windage and elevation so you can lock in a solid zero.

How do you switch between light, laser, and both?

A mode selection dial on the back of the unit lets you choose light only, laser only, or both together, and the icons glow in the dark for quick changes in low light. There's a button on the housing for direct control, and when you plug in the remote pressure pad, that rear button locks out so the two switches don't conflict.

Additional information

UPC

610242010110

Manufacturer

Manufacturer Part Number

01-00020

Color

Black

Dot Size

0.50" at 50 Ft

Length

8

Model

Mount Type

Picatinny Rail

Package Height

3.0

Package Width

6.0

Product Type

Accessory-Lasers and Sights

Shipping Weight

0.85

State Restriction (Guam)

NO SALE TO GUAM

State Restriction (PR)

NO SALE TO PUERTO RICO

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