![Magpul MBUS Gen 2 - Rear Sight - FDE - 873750004365 Magpul MBUS Gen 2 - Rear Sight - FDE - 873750004365](https://cdn11.bigcommerce.com/s-0xmhwue6/images/stencil/300x300/products/19282/42279/Magpul-MBUS-Gen-2-Rear-Sight-FDE-873750004365_image1__04996.1654531718.jpg?c=2)
The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform. Made in the USA.