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Viridian RFX45 – Green Dot Reflex Sight with RMR Mount | MSP
Viridian RFX45 – Full-Size Green Dot Reflex Sight with RMR Footprint
Precision Meets Durability for Tactical Pistols & AR-15 Platforms
The Viridian RFX45 is a rugged, full-size green dot reflex sight built on the Trijicon RMR footprint, engineered for uncompromising performance on Glock MOS pistols, duty handguns, and rifle setups. Designed with a crisp 3 MOA green dot, motion-activated Instant-On® technology, and top-loading battery access, the RFX45 is ready for concealed carry, home defense, competition, or patrol use.
This optic offers both low and high mounts out of the box, making it easy to switch between pistol slides and AR platforms. Whether you're aiming fast under pressure or punching paper at the range, the Viridian RFX45 gives you instant visibility, repeatable accuracy, and rugged confidence.
Why Choose the Viridian RFX45?
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✅ 3 MOA Green Dot – Daylight-visible, fast to acquire
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✅ Instant-On® Motion Activation – No buttons; activates when drawn
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✅ RMR Footprint – Fits Glock MOS, SIG P320, FN 509, PDP & more
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✅ Top-Loading CR2032 Battery – Tool-free replacement
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✅ 10 Brightness Settings – From low-light to full sun
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✅ IPX6 Waterproof + Recoil Rated – Built for real-world use
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✅ Includes Low + High Mounts – Works on pistols or rifles out of the box
Technical Specs
| Feature | Details |
|---|---|
| Dot Size | 3 MOA Green Dot |
| Footprint | Trijicon RMR |
| Brightness Settings | 10 Levels |
| Battery Type | CR2032 (top-loading) |
| Battery Life | Up to 30,000 Hours |
🔫 Compatibility – Drop It On & Go
The RFX45 fits virtually all modern optics-ready handguns and long guns that accept the RMR footprint. Whether you're running a pistol, PCC, or SBR, it installs in minutes and holds zero.
Compatible Platforms Include:
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Glock MOS (17, 19, 45, 34)
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SIG Sauer P320 RX, M17/M18
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FN 509 Tactical
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Walther PDP
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Springfield XD-M Elite OSP
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AR-15 upper receivers with RMR risers
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Sub guns, shotguns, and PCCs with Picatinny mounts
💡 RFX45 Model Variants
| Model Name | Mount Included | Best Use |
|---|---|---|
| RFX45 Standard | Low + High | Pistol & rifle versatility |
| RFX45 for Glock MOS | Glock-specific | Drop-in for MOS pistol slides |
| RFX45 Pro | Reinforced lens | Professional/duty-grade optic |
Viridian RFX45 FAQ
Q: What’s the difference between the RFX45 and RFX35?
A: The RFX45 has a slightly larger housing and improved glass/lens coatings, making it more rugged and ideal for tactical/duty use.
Q: Can I co-witness with the RFX45 on a Glock MOS?
A: Yes, with suppressor-height sights, you can achieve a lower 1/3 co-witness on most platforms.
Q: Does it include a mount for AR-15s?
A: Yes. The RFX45 ships with both a low-profile mount and a high-rise mount ideal for co-witnessing on AR rifles.
Q: Is the RFX45 waterproof and recoil-rated?
A: Absolutely. It is IPX6 water-resistant and recoil-tested for use on pistols, rifles, and shotguns.
Q: How long will the battery last?
A: With motion activation enabled, the CR2032 battery can last up to 30,000 hours.
🔗 Related Accessories
Rugged. Fast. Ready When You Are.
The Viridian RFX45 isn't just another red dot — it’s a battle-ready, always-on, ultra-clear optic trusted by professionals and prepared civilians alike. With its motion activation, green dot visibility, and RMR compatibility, the RFX45 gives you the edge when milliseconds matter.
✅ Ships fast from Mounts Plus
✅ Trusted Viridian build quality
✅ Compatible out of the box
🛒 Order the Viridian RFX45 today and upgrade your optic with confidence.