Description
The Crimson Trace Rail Master MTL is a slim, no-nonsense green laser built to ride on any Picatinny rail or M-LOK section without hogging real estate. It runs on a green beam, which your eye picks up quicker than red in most lighting, so getting on target happens fast whether you're in the backyard at dusk or working a dark hallway. The low profile housing is machined from aircraft aluminum, and it ships with both a Picatinny and an M-LOK adapter so you can bolt it onto a wide range of carbines, shotguns, and other rail-equipped long guns.
What Sets the Rail Master MTL Apart
The big draw here is placement flexibility. Because the unit is so compact, you can tuck it almost anywhere along the forend and still leave room for a weapon light, grip, or whatever else you're running. It mounts to most M1913 Pic rails or M-LOK slots at least 2.75 inches long, which covers the majority of modern long gun handguards. Windage and elevation are both adjustable, so dialing the dot in where you want it is straightforward once it's bolted down.
Controls and Power on the MTL
The MTL comes with a 6-inch remote cable pressure switch that gives you tactile ON/OFF and momentary ON, letting you mount the pad wherever your support hand naturally lands. There's also an LED indicator so you know at a glance whether it's live. Power comes from a single 1/3N lithium battery, and run time is rated at roughly 2 hours of continuous use, which is plenty for sighting in and real-world sessions since the laser spends most of its life in short bursts.
Built to Take a Beating
This laser is water resistant and the aluminum body shrugs off the usual range abuse. It's backed by the Crimson Trace Crimson Protect limited lifetime warranty, so it's covered for the long haul. For anyone wanting a clean, dependable aiming aid that doesn't crowd the rail, the Rail Master MTL earns its spot.
Key Specifications
- Manufacturer: Crimson Trace
- Manufacturer Part Number: 01-3000193
- UPC: 810048571048
- Beam Color: Green
- Laser Output: 5 mW
- Mounting: Picatinny Rail and M-LOK
- Minimum Rail Length: 2.75 inches
- Adjustability: Windage and Elevation
- Battery Type: 1 x 1/3N 3V Lithium
- Run Time: Approximately 2 hours
- Activation: 6-inch remote cable switch, tactile ON/OFF and momentary ON
- Housing Material: Aircraft Aluminum
- Finish: Black
- Water Resistance: Water Resistant
- Warranty: Crimson Protect Limited Lifetime
What’s Included
- Rail Master MTL green laser unit
- Picatinny rail adapter
- M-LOK adapter
- 6-inch remote cable pressure switch
- Battery
- Instruction manual
Frequently Asked Questions
What will the Rail Master MTL mount to?
It ships with both a Picatinny and an M-LOK adapter, so it fits most M1913 Pic rails or M-LOK sections. The rail section needs to be at least 2.75 inches long for a solid mount. That covers the majority of modern carbines, shotguns, and other rail-equipped long guns.
How does the laser turn on?
The MTL comes with a 6-inch remote cable pressure switch that you can position wherever your support hand naturally rests. The switch offers both tactile ON/OFF and momentary ON functions, and there's an LED indicator so you can tell when it's running.
Why choose the green beam over red?
Green lasers are generally easier for the human eye to pick up, which means faster target acquisition in daylight and low light alike. The Rail Master MTL puts out a 5 mW green beam and has adjustable windage and elevation so you can zero it exactly where you want.
What battery does it use and how long does it last?
The MTL runs on a single 1/3N 3V lithium battery. Continuous run time is rated at about 2 hours, though in practice the laser gets used in short bursts, so a battery lasts well beyond a single session.



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