Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, competitive shooter.
For defensive pistol shooters running slide-ride red dots, the Trijicon RMR Type 2 brings a patented housing geometry that diverts impact stresses away from the lens and upgraded electronics field-tested on handguns, carbines, and shotguns. The 3.25 MOA dot size—Trijicon’s most popular reticle—splits the difference between long-range precision and close-quarters speed. A red dot sight is an unmagnified optical device projecting an illuminated aiming point onto a lens; the RMR mounts directly to pistol slide cuts or via adapter plates on optics-ready models. Built for concealed carry, competition, law enforcement, and hunting applications where a low-profile zero holds through recoil and environmental abuse.
Behind the Glass
The Type 2 housing uses the same external dimensions and mounting footprint as the original RMR, allowing drop-in compatibility with existing slide cuts, plates, and holsters. Trijicon redesigned the internal electronics to handle higher G-forces during slide cycling—validated on Glock, SIG, Springfield, Walther, and HK platforms. Easy-access side buttons let you adjust brightness in eight manual steps or toggle to automatic ambient-light sensing. Manual mode holds for 16.5 hours after the last button press, then defaults to auto so the optic powers on ready for the next session. A button-lock feature disables manual adjustments, preventing inadvertent brightness changes during holstering or handling.
Specs at a Glance
| Spec | Value |
|---|---|
| Reticle | 3.25 MOA red dot |
| Adjustment | Manual (8 levels) / Automatic ambient |
| Battery | CR2032 (user-replaceable, top-load) |
| Night vision | Compatible |
| Mount | RMR footprint (original Type 1 compatible) |
| Housing | Forged aluminum, patented impact-absorbing geometry |
| Warranty | Lifetime limited (Trijicon) |
| Manufacturer | Trijicon |
The 3.25 MOA dot covers roughly 3.25 inches at 100 yards—small enough for headshots on steel at 25 yards, large enough to find fast when drawing from concealment. All brightness settings work with night vision devices; the lowest manual steps preserve night-adapted vision under NODs. Top-loading battery access means you swap CR2032 cells without removing the optic from the slide. Fits Glock MOS, Springfield OSP, Walther PDP, and HK VP9 Optics Ready with Trijicon mounting kit AC32064 (sold separately). Direct-mill slides require no adapter. Find more slide-ride and magnified options in our Trijicon RMR collection.
Best Use Cases
Concealed carry practitioners running optics-ready pistols choose the Type 2 for its proven durability under daily holster wear and slide battering. Competition shooters—USPSA Carry Optics, IDPA, Steel Challenge—rely on the fast dot acquisition and manual brightness control in varied light conditions. Law enforcement and military end users mount the RMR on duty pistols and patrol carbines where a bombproof zero and battery life matter more than feature count. Hunters running red dots on handguns or scout-scoped rifles benefit from the auto mode in changing field light and the button lock that prevents accidental adjustments in the pack or on the sling.
Safe Handling & Compliance
When mounting any optic, verify that all screws are torqued to manufacturer specifications and thread-locking compound is applied where directed. Confirm zero after installation and re-check after the first 50-100 rounds. Co-witness iron sights provide a backup aiming solution if the optic fails or batteries die.
- Always keep the firearm pointed in a safe direction—treat every gun as if it is loaded.
- Verify current federal, state, and local regulations before modifying or accessorizing any firearm.
- Store optics and firearms separately in secure locations inaccessible to unauthorized users.
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