Description
The Trijicon SRO has earned its reputation as one of the go-to optics for competition and pistol work, and this version swaps the familiar red reticle for a crisp 2.5 MOA green dot that a lot of folks find easier to see, especially if you deal with astigmatism. The 2.5 MOA size hits a sweet spot too: fine enough to aim precisely at distance, but big enough to grab quick when the timer goes off. The Coyote Brown anodized finish is the real draw here if you've built out a tan or FDE pistol and want the glass to blend in instead of standing out.
What Sets the SRO Apart from a Standard Micro Dot
The big story with the SRO is that round window. Compared to the RMR and most slide-mounted optics, the SRO gives you a noticeably larger, unobstructed field of view, which makes finding and following the dot a whole lot more natural. The window is parallax-free and plays nice with suppressor-height iron sights, so co-witnessing is no issue. Under the hood it shares its electronics design with the proven RMR and is forged from 7075-T6 aircraft-grade aluminum, so it's built to handle the pounding of slide-ride duty.
Running the Trijicon SRO Green Dot
You get eight brightness settings including one super-bright mode and two night vision settings, plus an automatic mode that reads the light for you. There are also lock-in and lock-out button modes, so you can freeze your chosen setting for a match or keep it on auto for carry and hunting. The CR2032 battery top-loads from above, meaning you can swap it without pulling the optic off your slide and re-zeroing. Trijicon rates it at roughly two years of continuous runtime at a middle setting.
Zeroing and Mounting the SRO Coyote Brown
Windage and elevation adjust tool-lessly at 1 MOA per click with 150 MOA of total travel, so dialing in your zero is quick and painless. It uses the same footprint as the Trijicon RMR, which means it drops onto RMR-pattern slide cuts and plates without hunting for a special mount. Note that a mount is not included. The housing is waterproof down to 10 feet, so weather and the occasional dunk won't faze it.
Key Specifications
- Manufacturer: Trijicon
- Model: SRO (Specialized Reflex Optic)
- MPN: SRO2-2500035
- UPC: 719307624559
- Reticle: 2.5 MOA Green Dot
- Illumination: Adjustable LED, Automatic and 8 Settings (2 NV, 6 Visible)
- Magnification: 1x
- Housing Material: 7075-T6 Forged Aluminum
- Finish: Coyote Brown Anodized
- Footprint: Trijicon RMR
- Adjustment: 1 MOA per click, 150 MOA total travel
- Battery: 1 CR2032 Lithium (top-loading)
- Battery Life: Up to 2 years continuous at setting 4 of 8
- Waterproof: 10 ft (3m)
- Weight: 1.6 oz
- Dimensions: 2.2 in x 1.3 in x 1.4 in
What’s Included
- Trijicon SRO 2.5 MOA Green Dot Sight (Coyote Brown)
- 2x #6-32 x 1/2" Torx Head Screws
- 2x #6-32 x .380" Torx Head Screws
- Torx Head Key
- SRO Battery Cap Tool
- Trijicon Logo Sticker (PR15)
- Manual
- Warranty Card
Frequently Asked Questions
Does the Trijicon SRO come with a mount?
No, a mount is not included with this optic. The SRO uses the same footprint as the Trijicon RMR, so it fits directly onto RMR-pattern slide cuts and RMR-compatible mounting plates. If your slide is cut for a different footprint, you'll want to pick up the correct adapter plate separately.
Why choose the green dot SRO over the red version?
A green LED tends to appear brighter to the human eye at matched power draw, and many shooters with astigmatism find a green dot looks cleaner and less smeared than red. The 2.5 MOA size is the same balanced reticle either way. If red dots have always looked fuzzy to you, the green SRO is a direct upgrade on the same RMR footprint.
Will the SRO work with suppressor-height iron sights?
Yes. The SRO is designed to be parallax-free and compatible with suppressor-height iron sights, so you can co-witness your backup irons through the window. The tall, round window makes picking up both the dot and your irons easy.
How do you change the battery on the Trijicon SRO?
The CR2032 battery loads from the top of the optic, so you don't have to remove the SRO from your slide to swap it. That means you keep your zero when it's time for a fresh battery. A battery cap tool is included in the box to make the job quick.







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