Description
The Sig Sauer Tango SPR is built for precision rifle work at extended distances — the kind of shooting where consistent repeatability and a clean sight picture matter more than compact size. It fits naturally on dedicated SPR builds, long-range bolt guns, and any rifle where the shooter is investing real effort in marksmanship rather than snap-shooting at close quarters.
The second focal plane layout means the MOA BDC1 reticle holds a consistent visual size as you move through the magnification range, which keeps the reticle uncluttered at lower power. The trade-off is that holdover marks on the reticle are calibrated to read accurately only at maximum magnification, so the shooter needs to be deliberate about where the power ring is set before applying any hold. That’s a straightforward discipline for anyone doing methodical long-range work, and it keeps the reticle from becoming a tangle of lines when you’re glassing a wide field at 6x.
The 52mm objective allows the optic to gather meaningful light at the top of the magnification range, where exit pupil shrinks and a larger front element helps maintain a usable image in low-contrast or fading-light conditions. The 30mm main tube gives the elevation and windage erector system more travel than a standard one-inch tube, which translates directly to more usable adjustment range — an important consideration when shooting at distances where dialing corrections rather than holding is the preferred technique.
The scope ships with Sig Sauer’s ALPHA MSR 1.535-inch mount included, which positions the optical axis at a height suited to co-witnessing with standard AR-platform cheekweld without requiring an aftermarket riser.




