- 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 rails, but is tailored to the AR15/M16 platform.
- Specifications MBUS - Rear Gen 2
- Weight, w/ hardware: 1.3 oz.
- Height above rail, stowed: ~0.51 in.
- Center of aperture to top of rail: 1.42 in.
- Length, stow.: 2.6 in.
- Length, deployed: 1.5 in
- Made in U.S.A.