New Guns & Gear for 2021—Magpul MBUS 3 Sight-Rear
The MBUS 3 incorporates the best features, strengths, and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Significantly reduced in size from the MBUS, it sits at just .44” when folded and 1.15” at its widest point.