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.
UPC: 873750004365
Manufacturer: Magpul Industries
Manufacturer Part #: MAG248-FDE
Model: MBUS
Type: Sight
Fit: Picatinny
Color: Flat Dark Earth
Description: Rear
Subcategory: Long Gun Sights