Magpul MBUS Rear Sight AR-15/M16 Stealth Gray

The Magpul MBUS rear sight is a folding backup sight designed for AR-15/M16 platforms and most weapons equipped with a 1913 Picatinny rail. Its spring-loaded flip-up design can be activated from either side, while the dual apertures provide two same-plane sighting options.

The polymer sight includes protective wings around the apertures and a detent knob for windage adjustment. It can remain folded with either the large or small aperture selected and is made in the USA.

Key Specifications

• The sight is designed for AR-15/M16 platforms and fits most 1913 Picatinny rail-equipped weapons.
• The base configuration is a Picatinny rail mount.
• The sight uses a spring-loaded flip-up design that can be activated from either side.
• The rear sight features dual same-plane apertures for selectable sighting options.
• The construction uses polymer in a Stealth Gray color.
• Protective wings help shield the dual apertures.
• The sight can be folded with either aperture in position.
• Windage adjustment is listed as 0.50 MOA in the product attributes; the source description specifies 0.7 MOA per click with a 14.5-inch sight radius and 0.5 MOA per click with a 20-inch sight radius.
• The product type is a rear backup sight.
• The sight is made in the USA.

With its compact folding profile, accessible controls, and selectable dual-aperture configuration, the MBUS rear sight provides a practical backup aiming solution for compatible rail-equipped platforms.