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.
TECHNICAL SPECIFICATIONS
| Position | Rear |
|---|---|
| Height above rail, stowed | ~0.51 in. |
| Length, deployed | 1.5 in. |
| Length, stowed | 2.6 in. |
| Weight, w/ hardware | 1.3 oz. |
| Other Specs |
Center of aperture to top of rail: 1.42 in. 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 |