Sig Sauer Electro-Optics Sorjmsr501 Romeo-Msr Gen Ii W/Juliet5 Micro Magnifier Black 1X20Mm/5X42Mm, 2 Moa Red Dot And
The Sig Sauer Romeo-MSR Gen II paired with the Juliet5 Micro magnifier is a versatile red dot sight system built for modern rifle platforms. This combo gives you two distinct sight configurations in one package: run the red dot solo for close-quarters speed, or flip the 5x magnifier to the side for mid-range precision. The Romeo-MSR Gen II features a 2 MOA red dot reticle, 12 illumination settings (10 daytime plus 2 night vision modes), and an analog rotary dial for quick brightness adjustments. The redesigned see-through riser mount achieves absolute cowitness with standard iron sights, so you maintain situational awareness and a clean sight picture. Battery life runs to 45,000 hours on a single CR2032, and both optics are sealed to IPX-7 waterproof and fog-proof standards—ready for harsh field conditions.
Whether you're running a duty rifle, a home-defense AR, or a competition platform, this sight system adapts to your shooting style. The Juliet5 Micro magnifier is engineered for compactness without compromise: aircraft-grade CNC aluminum construction, dielectric-coated prism for light transmission, and a 90-degree push-button flip-to-side mount that keeps the package streamlined until you need magnification. Multi-coated optics on both pieces fight glare and deliver clarity across varied lighting. The parallax-free optical design means no hold-shift at different distances—aim and trust your zero.
This is a serious combo for shooters who want flexibility without the bulk of a traditional magnified scope. Setup is straightforward, and Sig's engineering ensures durability through years of hard use. If you're building or upgrading an MSR platform and want a modern, modular sighting solution that handles everything from close work to 200+ yard engagements, the Romeo-MSR Gen II and Juliet5 Micro deliver.
Key Features
- 2 MOA red dot reticle optimized for rapid target acquisition
- 12 brightness settings—10 daytime and 2 dedicated night vision modes
- 45,000-hour battery runtime on standard CR2032
- Absolute cowitness riser mount works with standard iron sights
- Parallax-free optical design for precise aiming at any distance
- 5x magnifier flips 90 degrees to the side for quick transitions
- IPX-7 waterproof and fog-proof construction on both optics
- Multi-coated lenses and dielectric prism coating for superior light transmission
- Aircraft-grade CNC aluminum magnifier housing for durability
- Compact, lightweight package—no scope rings required
Specifications
| Optic | Romeo-MSR Gen II / Juliet5 Micro |
| Magnification | 1x / 5x |
| Objective Lens Diameter | 20 mm (Romeo) / 42 mm (Juliet5) |
| Reticle | Red 2 MOA dot |
| Illumination | 12 settings (10 daytime + 2 night vision) |
| Height | 2.48" (Romeo) / 2.52" (Juliet5) |
| Length | 2.74" (Romeo) / 3.1" (Juliet5) |
| Width | 1.76" (Romeo) / 2.72" (Juliet5) |
| Weight | 5.7 oz (Romeo) / 9.6 oz (Juliet5) |
| Battery | CR2032 (1) |
| Battery Runtime | 45,000 hours |
| Waterproofing | IPX-7 |
| Color | Black |
| Mount | Redesigned see-through riser (cowitness); 90° flip-to-side magnifier mount |
Frequently Asked Questions
Will the Romeo-MSR Gen II cowitness with my existing iron sights?
Yes. The redesigned see-through riser mount achieves absolute cowitness with standard iron sights, so your backup irons remain visible and functional while the red dot sits above them.
Can I use the magnifier and red dot at the same time, or do I have to flip it aside?
The Juliet5 Micro magnifier mounts on a 90-degree push-button flip-to-side bracket, so you can quickly rotate it out of your line of sight when you want to shoot the red dot alone, then flip it back in front of the optic when you need 5x magnification. This keeps your sight picture clean and gives you flexibility without removing the magnifier.
How long will the battery last?
The Romeo-MSR Gen II runs on a single CR2032 battery with a runtime of 45,000 hours on typical daytime brightness settings. That's roughly 5+ years of continuous operation, though you'll want to turn off the illumination when not in use to extend battery life further.
Is this combo suitable for night vision use?
Yes. The Romeo-MSR Gen II features two dedicated night vision brightness settings in its 12-position illumination dial, allowing the red dot to work effectively with night vision devices. The red reticle won't wash out your NV image when set to those modes.

