The updated Magpul MBUS 3 updates with a lighter, stronger system.

One of the more popular accessories produced by Magpul over the years gets an update with the release of the MBUS 3. The famed backup sight system improves with a smaller footprint that delivers increased strength and durability.

Magpul MBUS 3 Details

The MBUS 3 incorporates features and strengths from the company’s original MBUS and MBUS Pro sights. The MBUS 3 measures a mere .44-inch folded, 1.15 inches extended.

Both the front and rear sights incorporate impact-resistant polymer construction. The system proves lightweight but also extremely durable. Meanwhile, it maintains the coveted aesthetics Magpul is known for.

The system maintains the same spring-loaded technology from earlier models. It deploys via an ambidextrous push-button. The sights sit at standard AR-15-type heights deployed. It also delivers tool-less elevation adjustments and a dual-width enhanced front sight.

Magpul MBUS 3 fronts sights will retail for $39.95, while the rear sight comes in a $59.95. For even more info, please visit

MBUS 3 Features

  • Tool-less elevation adjustment similar to the MBUS Pro and ambidextrous push-button deployment
  • Dual width enhanced front sight similar to MBUS Pro
  • 0.44” high when folded  and 1.15” wide at widest point
  • Standard AR-height when deployed
  • Rapid-select rear aperture system and ambidextrous push-button deployment
  • MSRP: $39.95 (front sight), $59.95 (rear sight)

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