Sig Sauer – TANGO-MSR 1-10x28mm SFP LPVO w/ ALPHA-MSR Mount

The Sig Sauer TANGO-MSR 1-10x28mm LPVO features an illuminated MSR BDC10 reticle with 11 brightness settings, designed to improve visibility in low-light conditions. This allows users to maintain accuracy during dawn, dusk, or overcast scenarios where lighting is less than optimal. The reticle's illumination can be adjusted to suit the ambient light, ensuring that the target remains clearly visible. However, reliance on battery power for illumination means it's crucial to carry spare batteries during extended operations. For more on choosing the right optics for low-light situations, explore our Optics, Sights & Lasers collection.

The TANGO-MSR's versatility with a 1-10x magnification range makes it ideal for both tactical and competitive shooting. At 1x, it functions like a red dot sight for quick target acquisition in close quarters. The 10x magnification allows for precision at longer distances, making it suitable for varied shooting disciplines. The integrated throw lever facilitates rapid magnification changes, crucial in dynamic shooting environments. Its rugged construction ensures reliability under harsh conditions, but users should be aware that higher magnifications can limit the field of view, requiring careful target tracking.

The included ALPHA-MSR mount is a one-piece aluminum cantilever design that provides a stable and secure platform for the TANGO-MSR optic. This mount ensures that the optic maintains zero even under heavy recoil, which is essential for consistent accuracy. Its lightweight construction minimizes additional weight on the rifle, preserving maneuverability. However, the fixed nature of the cantilever mount means it may not be as versatile as adjustable mounts for those who frequently switch optics between platforms.

The Sig Sauer TANGO-MSR is engineered to withstand challenging environments, being waterproof, shockproof, and fog-proof. These features ensure that the optic can function effectively in wet, high-impact, and varying temperature conditions. The low-dispersion glass is protected by lay-flat flip-back lens covers, preventing scratches and debris accumulation. While these features enhance longevity, users should still perform regular maintenance checks to ensure seals and protective elements remain intact over time.

The second focal plane (SFP) design of the TANGO-MSR means the reticle size remains constant regardless of magnification. This is beneficial for shooters who prefer a consistent reticle size for quick target acquisition at any magnification level. However, it requires users to understand that holdovers will only be accurate at a specific magnification, typically the highest setting. This can be a limitation for those needing precise holdovers at varying magnifications without recalibration.

Regular maintenance of the TANGO-MSR involves cleaning the lenses with a microfiber cloth and ensuring the battery compartment is free from moisture. It's also important to check the integrity of the seals and the condition of the mount to prevent any shifts in zero. Periodic inspection of the illumination settings for functionality is advised, particularly before engaging in any tactical or competitive events. While the optic is robust, neglecting these maintenance steps can compromise its performance over time.

Rapid magnification changes are particularly beneficial in dynamic shooting scenarios, such as 3-gun competitions or tactical operations. The integrated throw lever allows shooters to quickly adjust from a wide field of view for close targets to a more focused view for distant precision shots. This versatility is crucial in situations where targets appear at varying distances and quick transitions are necessary. However, users should practice these adjustments to ensure smooth operation under pressure.

The TANGO-MSR is an excellent addition to a preparedness and survival setup due to its versatility and durability. Its ability to function effectively in various lighting conditions and withstand harsh environments makes it reliable for defensive scenarios. The optic's wide magnification range supports both close-quarters defense and long-range observation, essential for comprehensive preparedness planning. For further insights on integrating optics into survival strategies, consider our Security and Preparedness Guide.

Low-dispersion glass in the TANGO-MSR enhances image clarity and reduces color fringing, which is crucial for precise target identification. This optical quality ensures that the image remains sharp and true to color across the entire magnification range. Such clarity is particularly beneficial in identifying targets at long distances or in environments with complex backgrounds. However, users should note that while the glass improves visual performance, it does not eliminate the need for regular lens cleaning to maintain optimal clarity.

The field of view on the TANGO-MSR narrows as magnification increases, ranging from 110 feet at 1x to 10 feet at 10x magnification. This change allows shooters to focus more precisely on distant targets at higher magnifications, while the wide field at 1x is ideal for scanning and engaging multiple targets quickly. It's important for users to practice transitioning between magnifications to become adept at managing the field of view changes, which can be critical in both tactical and competitive scenarios.