The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system.
Significantly reduced in size from the MBUS, it sits at just 0.55” high when folded, 1.38” at its widest point, and weighs a scant 30 grams with hardware. Its aesthetics are derived from the MBUS Pro, but the MBUS 3 Rear Sight is constructed of our impact-resistant polymer, making it lightweight and extremely durable. Featuring the same spring-loaded technology as its predecessor, they can be deployed with an ambidextrous push-button.
The MBUS 3 Rear Sight sits at standard AR-height when deployed and includes a windage adjustable, rapid-select aperture system.
Made in the USA.
FULL-FEATURED SPRING-LOADED FLIP UP SIGHT
- Ambidextrous push-button deployment and rapid-select rear aperture system
- 0.55” high when folded and 1.38” wide at widest point
- Standard AR-height when deployed
IMPACT-RESISTANT POLYMER CONSTRUCTION
- Polymer construction, smaller size provides light weight and resists operational abuse
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