The Magpul MBUS 3 is a low-profile, spring-loaded flip-up rear sight designed for AR-15 and M4 platforms.
- Type: Flip-Up Rear Backup Iron Sight
- Material: Impact-Resistant Polymer
- Aperture Configuration: Dual Aperture (0.070″ and 0.200″)
- Adjustment: Windage-Adjustable
- Deployment: Ambidextrous Push-Button, Spring-Loaded
- Mount Type: MIL-STD-1913 Picatinny Rail
- Co-Witness Height: Lower 1/3
- Finish: Black
- Weight: 1.2 oz
