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.
Specifications
| Features | 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 |
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