Extend Your Range with New Sightmark T-3 and T-5 Magnifiers

Sightmark T-3 and T-5 Magnifiers with locking QD and flip-to-side mount
These magnifiers feature a locking quick-detach and flip-to-side mount.

Why Use a Magnifier with Your Red Dot Sight?

Red dot sights are highly effective for close-quarters engagements due to their unlimited eye relief and fast target acquisition. However, their lack of magnification becomes a limitation when targets are farther away or require more precision. This is where magnifiers shine. By mounting a 3x or 5x magnifier behind a red dot, shooters gain the ability to observe and engage targets at longer distances without switching optics.

Magnifiers allow you to quickly adapt to varying engagement ranges, making them essential for dynamic shooting environments such as tactical training, 3-gun competitions, and predator hunting.

Compact Design for Practical Field Use

Sightmark’s T-3 and T-5 Magnifiers are engineered with a shorter, more compact optic system—up to 0.8” shorter than previous versions. This low-drag profile minimizes weight and bulk on your rail, improving balance and maneuverability, especially on AR-15 rifles. The sleek design reduces the chance of snagging on gear, sling straps, or chest rigs—an important feature for tactical professionals and hunters alike.

Flip-to-Side Mount with Locking Quick-Detach

Both the T-3 and T-5 come equipped with a flip-to-side mount featuring a locking quick-detach (LQD) mechanism. This gives shooters the ability to transition instantly between magnified and unmagnified views. The mount locks securely in place, preventing accidental shifts during heavy recoil or movement, and detaches quickly for rapid optic changes or field maintenance.

Precision Alignment with External Adjustments

Unlike some fixed-position magnifiers, the T-3 and T-5 include external windage and elevation adjustments. This lets users fine-tune the optic’s point-of-view to align precisely with their red dot’s reticle, ensuring a clear and centered sight picture. No more squinting or misalignment—just quick, accurate target acquisition every time.

Enhanced Glass for Brighter, Sharper Imaging

Both magnifiers use fully multi-coated lenses that improve light transmission and reduce glare. The result is a brighter, crisper image in various lighting conditions—from sunny ranges to dusky tree lines. Better image quality means faster target recognition and more precise shot placement, especially important when hunting or shooting at extended distances.

Built Tough for Real-World Conditions

The T-3 and T-5 are IP55 water-resistant and rated for recoil up to .308 caliber, ensuring performance in rugged field conditions. Whether you’re enduring rain, mud, or hard drops in competition, these magnifiers are built to keep going. At under 11 oz., they add capability without excess weight.

Compatible with a Wide Range of Optics

Sightmark magnifiers work seamlessly with most red dot and reflex sights on the market, including the Sightmark Ultra Shot, Wolverine, and Element lines. This flexibility allows users to upgrade their magnification without replacing their existing optic setup—saving time and money.

What’s Included in the Box?

  • Flip-to-side LQD mount
  • Adjustment tools
  • User manual

Whether you’re building out a competition carbine or setting up for hog hunting at night, these accessories get you mission-ready out of the box.

Final Thoughts on Sightmark Magnifiers

For shooters who want to extend the functionality of their reflex or red dot sight without compromising CQB performance, the Sightmark T-3 and T-5 magnifiers offer a dependable, versatile solution. Lightweight, compact, and ruggedly built, they’re ideal companions for today’s AR-platform rifles.

Learn more about Sightmark magnifiers and optic solutions at sightmark.com.

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Michael Valderrama

Michael was born in San Francisco, raised in the Phillipines and enlisted in the US Army in 2016 before becoming a writer for sightmark.com. Click the button below to read his full bio.

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