Magpul MBUS Flip-Up Rear Sight – OD Green

The Magpul MBUS (Magpul Back-Up Sight) Flip-Up Rear Sight in OD Green is a reliable, polymer-based backup iron sight designed for AR-platform rifles and other flat-top receivers featuring MIL-STD-1913 Picatinny rails. Built to Magpul’s exacting standards, the MBUS rear sight features a spring-loaded, push-button deployment that pops up instantly when needed and folds flat when not in use, keeping your primary optic’s field of view clear. The dual-aperture design offers a standard aperture for general use and a larger aperture for close-quarters or low-light conditions, providing versatility across a wide range of shooting scenarios. Constructed from a high-impact polymer with a non-reflective matte finish, the MBUS is lightweight without sacrificing durability. Windage is tool-lessly adjustable, allowing for quick, precise corrections in the field. The OD Green finish blends seamlessly with OD-colored rifles, stocks, and accessories for a coordinated, professional look. Whether you’re running a red dot, holographic sight, or magnified optic as your primary, the MBUS rear sight delivers dependable backup capability at a competitive price. Order online today from VanTon Arms and enjoy fast nationwide shipping.