Description
When people talk about a red dot that just refuses to quit, the Trijicon RMR is usually the one they mean. This RM09 Type 2 runs a tight 1.0 MOA dot, the smallest in the RMR lineup, which gives you a precise aiming point for target work and longer shots without covering up what you're trying to hit. The OD Green Cerakote housing is forged aluminum and tested waterproof down to 66 feet, so it shrugs off weather, grime, and the kind of recoil that sends lesser optics packing.
What the RM09 Type 2 Brings to the Table
The Type 2 generation addressed the electronics and battery contacts from earlier models, making this a more dependable optic under heavy recoil and rough handling. The patented housing shape is the heart of the design, diverting impact force away from the lens rather than letting it slam straight into the glass. True-color multi-coated lenses keep your sight picture clear and your target looking the way it should, with no weird tint.
Dialing In the Trijicon RMR Red Dot
Brightness is handled by the side buttons, giving you eight manual settings plus an automatic mode that reads ambient light for you. Lock the buttons down when you want dedicated auto operation and no accidental changes. Windage and elevation adjust at 1 MOA per click with audible, tactile detents, no special tools needed. Power comes from a single CR2032 battery that delivers over four years of continuous runtime at a middle brightness setting, and a battery conservation mode steps the dot down to ambient conditions after about 16.5 hours.
Mounting the RM09 OD Green
This sight uses the Trijicon RMR footprint, the most widely supported full-size pistol optic pattern out there, with two rear screws and two forward recoil posts. That footprint is shared by a huge range of optics-ready slides and adapter plates, so odds are good there's a direct mount or plate for your pistol, carbine, or shotgun. Note that this model ships without a mount, so plan your plate or RMR-cut slide accordingly. At just 1.2 ounces with the battery, it won't weigh down whatever you put it on.
Key Specifications
- Manufacturer: Trijicon
- Model: RMR Type 2 RM09
- Manufacturer Part Number: RM09-C-700744
- UPC: 719307614956
- Reticle: 1.0 MOA Red Dot
- Illumination: Adjustable LED, 8 Settings plus Auto
- Magnification: 1x
- Adjustment: 1 MOA Per Click
- Windage/Elevation Range: 150 MOA Total
- Housing Material: Forged Aluminum
- Finish: OD Green Cerakote
- Battery: CR2032 3V Lithium
- Battery Life: Over 4 Years at Setting 4
- Water Resistance: Waterproof to 66 ft (20m)
- Dimensions: 1.8 in L x 1.1 in W x 1.0 in H
- Weight: 1.2 oz with Battery
What’s Included
- Trijicon RMR Type 2 RM09 red dot sight (OD Green)
- CR2032 battery
- Instruction manual
Frequently Asked Questions
Does the Trijicon RMR RM09 come with a mount?
No, this version ships without a mount. It's built on the standard Trijicon RMR footprint, so you'll pair it with an RMR-cut slide, an optics-ready pistol plate, or a Picatinny mount depending on your setup. Just make sure the plate is matched to your specific firearm model.
What's the benefit of the 1.0 MOA dot over the larger RMR options?
The 1.0 MOA dot is the smallest in the RMR lineup, which makes it ideal for precision work and longer-range shots since it covers very little of your target. Larger dots like the 3.25 and 6.5 MOA are easier to pick up fast up close, so the 1.0 MOA is the pick when accuracy at distance matters most.
How long does the battery last on the RM09 Type 2?
It runs on a single CR2032 lithium battery and delivers over four years of continuous use at brightness setting 4 of 8, measured at 70 degrees Fahrenheit. A battery conservation mode also dims the dot to ambient light after about 16.5 hours to stretch runtime even further. You can swap the battery without pulling the optic off most mounts.
Can I run the Trijicon RMR on a rifle or shotgun, not just a pistol?
Absolutely. The RMR is a multi-platform optic that works on pistols, rifles, carbines, and shotguns, and it also pairs well as a secondary sight alongside a magnified optic. You'll just need the correct mount or base for whatever platform you're putting it on.




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