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Viridian RFX44 – Green Dot Reflex Sight for RMSc & RMR Mounts | MSP

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Viridian RFX44 – Motion-Activated Green Dot Sight for RMSc & RMR Footprints


Built for Speed, Visibility & Versatility

The Viridian RFX44 is a compact, durable, and ultra-fast green dot reflex sight, designed for RMSc and RMR footprint platforms. Featuring motion-activated Instant-On® technology, a crisp 3 MOA green dot, and rugged waterproof construction, the RFX44 is ideal for EDC, defensive carry, or range performance.

Whether you're upgrading your Glock MOS, SIG P365XL, or optics-ready AR, the Viridian RFX44 delivers rapid target acquisition, daylight clarity, and multi-platform compatibility — all in a lightweight housing built for serious shooters.


Why Choose the Viridian RFX44?

  • 3 MOA Green Dot – Brighter and faster than red in daylight

  • Motion-Activated Instant-On® – Auto-on when drawn, auto-off when idle

  • Dual Mount Footprint – Choose models with RMSc or RMR compatibility

  • IPX6 Waterproof + Recoil Rated – Built for pistols, rifles & shotguns

  • Slim & Lightweight – Only 0.6 oz without battery

  • Long Battery Life – Up to 30,000 hours on a CR2032

  • 10 Brightness Levels – Adjustable for all lighting conditions


🛠️ RFX44 Model Options

Optic Dot Size Dot Color Best For Price
Trijicon RMR Type 2 3.25 MOA Red Duty pistols, rifles, tactical use From $502
Trijicon SRO 2.5 MOA Red Competition, large window view From $585
Holosun 507C X2 2 MOA + 32 MOA Ring Red Versatile EDC, co-witnessing From $309
Holosun 507C X2 GR 2 MOA + Ring Green Green dot alternative From $339
Viridian RFX35 3 MOA Green Wide window, auto-on green dot $249
C&H Precision Comp Multi Green Multi-reticle RMR mount optic $324

Technical Specs

Spec Detail
Dot Size 3 MOA Green
Activation Motion-activated Instant-On®
Footprint RMSc or RMR
Battery Type CR2032
Battery Life Up to 30,000 hours
Brightness Settings 10 manual levels
Construction 6061 Aluminum housing
Water Resistance IPX6 Rated
Weight 0.6 oz

🔫 Compatible Firearms


🧠 Viridian RFX44 FAQ

Brand Compatible Models
Glock 43x MOS, 48 MOS, 17/19/45 MOS (with plate)
SIG Sauer P365XL, P320 RX, M17/M18 (RMR version)
Springfield Hellcat OSP, XD-M Elite (RMSc/RMR as applicable)
FN 509 Tactical, FNX-45 Tactical (RMR model)
Walther PDP, PDP-F, optics-ready models (with matching plate)
AR / PCC Any flat-top rail using RMR riser mount

Q: What’s the difference between the RFX44 and RFX35?
A: The RFX44 is more compact, making it ideal for micro-compact pistols. The RFX35 offers a larger viewing window for rifles and full-size pistols.

Q: Does the RFX44 work with Glock MOS?
A: Yes. Choose the RMR version or Glock-specific plate version for direct fitment on Glock MOS slides.

Q: What’s the battery life of the RFX44?
A: Up to 30,000 hours with auto-shutoff and motion-activation enabled.

Q: Can I use the RFX44 for co-witnessing iron sights?
A: Yes, with suppressor-height sights, the dot can co-witness in most lower 1/3 setups.

Q: Is the RFX44 waterproof and recoil-rated?
A: Yes. It’s IPX6 water-resistant and fully recoil-tested for both handguns and long guns.


🔗 Related Accessories


🚀 Compact. Capable. Always Ready.

The Viridian RFX44 is the perfect fusion of compact form and combat-ready performance. With auto-on technology, a daylight-bright green dot, and true multi-mount compatibility, the RFX44 gives you a competitive edge no matter what platform you're running.

✅ Motion-activated
✅ RMSc or RMR footprint options
✅ Trusted Viridian quality
✅ Ships fast from Mounts Plus

🛒 Add the Viridian RFX44 to your cart now and aim faster with the power of green.