The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform.
Spring loaded flip up sight
Easily activated from either side or by pressing the top
Protective wings shield the spring-locking A2 front sight post
Polymer construction provides light weight and resists abuse
Detent and spring pressure keeps sight in place but allows for unobstructed folding under impact
Specification
Specification
Manufacturer
Magpul
Item Returns
This item can be returned
Product Questions
Customer Questions
Frequently Asked Questions
What brands of bolt carrier groups (BCGs) does 2AF carry?
We stock high-quality bolt carrier groups from reputable brands such as Aero Precision, Bravo Company Manufacturing (BCM), Sons of Liberty Gun Works (SOLGW), and Geissele Automatics. Our selection includes various finishes and coatings, including phosphate...
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