Magpul Industries MBUS Back-Up Front Sight Gen 2

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.

 

https://magpul.com/mbus-sight-front.html?mp_global_color=118