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.
Features:
- Polymer construction
- Spring-loaded flip up sight
- Protective wings shield the dual same plane flip apertures
- Easily adjust Windage
Specs:
- Height above rail, stowed: ~0.51 in.
- Length, deployed: 1.5 in.
- Length, stowed: 2.6 in.
- Weight, w/ hardware: 1.3 oz.
- Center of aperture to top of rail: 1.42 in.
MADE IN USA
WINDAGE ADJUSTMENT
- ~0.7 MOA (0.754"/100m) per click with a 14.5" sight radius
- ~0.5 MOA (0.547"/100m) per click with a 20" sight radius
