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.
MBUS 3 Sights will be available in Black, Flat Dark Earth, and OD Green.
Made in the USA.
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Reviews
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Magpul mbus
Always loved magpul’s original mbus. The polymer makes them light but remains accurate. These new mbus sights are even better. Don’t have to fight the smaller and larger aperture with your fingernail. You just flip this dude over for the large peep hole and flip it back for the smaller one. If you’re on the fence about getting one just do it. They are worth their weight and especially if you’re saving ounces.