Sig Sauer TANGO4 1-4x24 Riflescope, 30mm, Black, Illuminated Horseshoe Dot Reticle, 0.5 MOA Adjustment, 5.56/7.62 Compatible

The Sig Sauer TANGO4 1-4x24 riflescope is built for shooters who need a versatile optic that performs equally well on the range, in competition, or in the field. With 4x magnification range, a robust 30mm tube, and illuminated reticle options, this first focal plane scope bridges the gap between close-quarters engagements and mid-range precision work on AR-15s, MSRs, bolt guns, and other modern sporting rifles. Whether you're running a 5.56 or 7.62 platform, the TANGO4's horseshoe dot reticle is purpose-built for quick target acquisition and holdover flexibility across common intermediate calibers.

Optical clarity is a hallmark of Sig's TANGO line. Low dispersion glass keeps images sharp and color-true from 1x to 4x, whether you're scanning a wide field of view or settling into a precise shot. The first focal plane design means your reticle scales proportionally with magnification—a critical feature for fast, accurate holdovers at distance. An IPX-7 waterproof rating and nitrogen purge ensure the scope handles hard use, submersion, and temperature swings without compromise. Eight daylight illumination settings and two night vision–compatible levels give you flexibility in any light condition.

Practical details matter in a workhorse optic. The MOTION ACTIVATED TACK (MOTAC) system powers the reticle up when motion is detected and shuts it down when still—maximizing battery life and operational safety in the field. Your CR2032 battery will last significantly longer than it would under constant drain. With 0.5 MOA click adjustments, 180 MOA total travel in both elevation and windage, and a 100-yard parallax setting, you've got the adjustment range and precision needed for serious shooting. At 15.9 ounces, it won't add dead weight to your rifle, and the 30mm tube provides the mechanical adjustment and light-gathering capability serious shooters expect.

Built tough and tuned for the hunter, competitor, or tactical shooter who refuses to compromise on versatility—the TANGO4 1-4x24 is equally at home on an SBR, a precision bolt rifle, or anywhere in between.

Key Features

• 1-4x magnification with 4x optical zoom for CQB through mid-range work
• First focal plane (FFP) reticle that scales with magnification for true holdovers
• Illuminated horseshoe dot reticle optimized for 5.56/7.62 platforms
• Low dispersion (LD) glass for superior optical clarity and color accuracy
• 8 daylight and 2 night vision–compatible illumination settings
• MOTAC motion-activated illumination extends battery life and ensures operational safety
• IPX-7 waterproof rating (immersion to 1 meter) and nitrogen-purged for fog-proof performance
• 0.5 MOA click adjustments with 180 MOA total travel in elevation and windage
• Lightweight at 15.9 ounces; 30mm tube for strength and light transmission
• Compatible with standard Picatinny/Weaver mounts on AR-15, MSR, and bolt-action rifles

Specifications

Frequently Asked Questions

Is the TANGO4 1-4x24 compatible with my AR-15 or MSR?

Yes. The TANGO4 mounts on any standard Picatinny or Weaver rail and is specifically designed for modern sporting rifles, AR platforms, and bolt-action rifles. The reticle is optimized for 5.56 and 7.62 calibers.

What's the benefit of a first focal plane (FFP) reticle?

In FFP, the reticle size scales proportionally with magnification. This means your holdovers remain true across the entire zoom range—critical when you need to make quick adjustments or shoot at varying distances without dialing. At 1x, the reticle is fine for target acquisition; at 4x, it maintains the same relative size for precision work.

How long does the CR2032 battery last?

We don't have a specific battery life figure, but the MOTAC motion-activated illumination system powers the reticle on only when motion is detected, which significantly extends battery life compared to always-on systems. The system powers down automatically when the scope is stationary.

Is the TANGO4 waterproof and suitable for hunting in wet conditions?

Yes. The scope is rated IPX-7, which means it can be fully submerged in water up to 1 meter without damage. It's also nitrogen-purged to prevent internal fogging, making it reliable in rain, fog, and humid environments.

What magnification should I use for different shooting distances?

The 1x setting offers a wide 97.5° field of view for fast target acquisition and close-range work, making it ideal for CQB and rapid-fire scenarios. The 4x setting narrows to 23.6° and is better suited for mid-range precision shooting and hunting where more magnification aids in accuracy. You'll adjust based on your distance and target size.