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Trijicon
Trijicon RMR Type 2
$699
Best Red Dot Sights · head-to-head
Trijicon RMR Type 2 vs Primary Arms SLx MD-25
A sourced, side-by-side comparison. Primary Arms SLx MD-25 is cheaper at $159.99. Every spec and price links to its source.
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Primary Arms
Primary Arms SLx MD-25
$159.99Cheaper
Which is better: the Trijicon RMR Type 2 or Primary Arms SLx MD-25?
On the specs we track, they're closely matched. The Primary Arms SLx MD-25 is the cheaper at $159.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Trijicon RMR Type 2 | Primary Arms SLx MD-25 |
|---|---|---|
| US price | $699 | $159.99 |
| Brand | Trijicon | Primary Arms |
| Released | — | — |
| Sight type | open-reflex | tube |
| Dot size moa | 3.25 | 2 |
| Reticle type | dot | dot |
| Objective window (mm) | — | 25 |
| Battery type | CR2032 | CR2032 |
| Battery life hrs | 35000 | 50000 |
| Brightness settings | 8 | 11 |
| Mount footprint | Trijicon-RMR | Aimpoint-Micro |
| Weight grams | 34.02 | — |
| Length (mm) | 45.72 | — |
| Night vision compatible | Yes | Yes |
| Motion activation | No | Yes |
Sources — Trijicon RMR Type 2: web.archive.org (verified 2026-07-11). Primary Arms SLx MD-25: primaryarms.com (verified 2026-07-11).
What's the difference between the Trijicon RMR Type 2 and Primary Arms SLx MD-25?
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
- Sight type: Trijicon RMR Type 2 open-reflex vs Primary Arms SLx MD-25 tube
- Dot size moa: Trijicon RMR Type 2 3.25 vs Primary Arms SLx MD-25 2
- Battery life hrs: Trijicon RMR Type 2 35000 vs Primary Arms SLx MD-25 50000
- Brightness settings: Trijicon RMR Type 2 8 vs Primary Arms SLx MD-25 11
- Mount footprint: Trijicon RMR Type 2 Trijicon-RMR vs Primary Arms SLx MD-25 Aimpoint-Micro
- Motion activation: Trijicon RMR Type 2 false vs Primary Arms SLx MD-25 true