Sig Sauer Electro-optics Tango-msr, Sig Sotm63001 Tango Msr 3-18x50 34m Mrad Ffp Blk
The Sig Sauer Tango-MSR 3-18x50 is a first focal plane riflescope built for hunters and precision shooters who want serious magnification without the premium price tag. With a 6x zoom range and 34mm maintube, this scope delivers the optical performance and adjustment range needed for everything from mid-range hunting to dedicated range work. It comes complete with Sig's ALPHA-MSR aluminum mount, so you're ready to mount and shoot out of the box.
The scope uses low-dispersion glass to keep images clean across the magnification range, and the integrated throw lever lets you dial up magnification quickly when your shot opportunity changes. An illuminated FFP (first focal plane) Milling 2.0 reticle with six brightness levels works in low light and gives you consistent holdover references at any magnification—a real advantage when you need to stretch the distance. The entire package is nitrogen-purged, waterproof, shockproof, and fog-proof, so it'll handle the conditions you actually hunt or shoot in.
At 30.8 ounces, it's substantial enough to feel solid on your rifle without being a burden. The lay-flat flip-back lens covers protect your glass when stowed. With 33 MRAD of elevation travel and a diopter adjustment range of ±2.5, you've got the adjustment flexibility to dial in your rifle's ballistics and your eye's focus. One CR2032 battery powers the illumination.
Key Features
- 3-18x50 magnification with 6x zoom ratio for versatile hunting and range use
- First focal plane design with illuminated Milling 2.0 reticle—holdovers stay true at any magnification
- 6 illumination brightness levels for low-light performance
- 34mm maintube for maximum adjustment range and optical performance
- Low-dispersion glass reduces color fringing across the magnification range
- Quick-adjust throw lever for rapid magnification changes
- Fully multi-coated optics for light transmission and clarity
- Nitrogen-purged, waterproof, shockproof, and fog-proof construction
- Includes ALPHA-MSR 34mm aluminum scope mount—ready to install
- Lay-flat flip-back lens covers included
Specifications
| Magnification | 3-18x |
| Objective Lens Diameter | 50mm |
| Maintube Diameter | 34mm |
| Focal Plane | First |
| Reticle | Illuminated FFP Milling 2.0 |
| Illumination Levels | 6 |
| Eye Relief | 3.54 inches (constant) |
| Field of View @ 100 Yards | 110 ft (low mag) / 18.3 ft (high mag) |
| Total Elevation Travel | 33 MRAD |
| Total Windage Travel | 33 MRAD |
| Travel Per Rotation | 25 MOA |
| Diopter Adjustment Range | ±2.5 |
| Internal Gas Purge | Nitrogen |
| Weight | 30.8 ounces |
| Battery | One CR2032 |
| Mount Included | Yes—ALPHA-MSR 34mm aluminum mount |
Frequently Asked Questions
What reticle does the Sig Tango-MSR use, and how does first focal plane help?
The scope features an illuminated FFP Milling 2.0 reticle. Because it's in the first focal plane, the reticle subtensions remain consistent at every magnification level—so your holdover marks work the same whether you're zoomed to 3x or 18x. That's a real advantage when you need to adjust quickly between ranges without recalculating your holds.
Does the Tango-MSR come with a mount?
Yes. The scope includes Sig's ALPHA-MSR 34mm aluminum mount, so you can mount it straight out of the box without buying a separate mount.
What's the battery life, and what type of battery does it use?
The illuminated reticle runs on one CR2032 battery. The product facts don't specify battery life, so reach out to our team for that detail.
Is the Tango-MSR suitable for long-range hunting?
Yes. The 3-18x magnification, 34mm maintube, first focal plane reticle, and 33 MRAD of elevation travel make it well-suited for precision hunting at distance. The low-dispersion glass and multi-coated optics help maintain image clarity even at high magnification.

