Magpul MBUS 3 Back-Up Rear Sight for Picatinny Rails – Flip Up, Flat Dark Earth (MAG1167-FDE)

• Magpul MBUS 3 rear back-up sight designed for MIL-STD-1913 Picatinny rails
• Spring loaded flip-up sight with ambidextrous push-button deployment for fast activation
• Rapid-select rear aperture system supports quick sight picture changes during shooting
• Folds to 0.44 inch height and measures 1.15 inch wide at widest point
• Impact resistant polymer construction provides lightweight durable rear sight performance
• Flat Dark Earth rear sight deploys to standard AR height and clamps to Picatinny rails

The Magpul Industries MBUS 3 Back-Up Rear Sight is a rifle rear sight designed for providing a deployable aiming reference on firearms with Picatinny rails. This flip-up sight includes a rapid-select rear aperture system and mounts to MIL-STD-1913 Picatinny rails for compatibility. It deploys to standard AR-height for proper sight alignment with front sight systems.

The Magpul Industries MBUS 3 Back-Up Rear Sight is made from impact-resistant polymer and features a spring-loaded mechanism with ambidextrous push-button deployment. This rifle rear sight measures approximately 0.44 inches when folded and 1.15 inches at its widest point. The clamping system secures the sight to most Picatinny rail platforms without additional tools. In normal operation, the compact folded profile reduces interference with mounted optics. The Magpul Industries MBUS 3 Back-Up Rear Sight is used for backup sighting in field setups, range use, and rifle configurations requiring a secondary aiming system.