Magpul MBUS 3 Back-Up Front Sight for Picatinny Rails – Flip Up, Flat Dark Earth (MAG1166-FDE)

• Magpul MBUS 3 front back-up sight designed for MIL-STD-1913 Picatinny rails
• Spring loaded flip-up design with ambidextrous push-button deployment for rapid use
• Tool-less elevation adjustment and dual width enhanced front sight post for precision
• Folds to 0.44 inch height and measures 1.15 inch wide at widest point
• Impact resistant polymer construction provides lightweight durable performance for rifle sights
• Flat Dark Earth front sight deploys to standard AR height and clamps to Picatinny rails

The Magpul Industries MBUS 3 Back-Up Front Sight is a rifle front sight designed for providing a deployable aiming reference on firearms with Picatinny rails. This flip-up sight features tool-less elevation adjustment and a dual-width enhanced front sight post for precise alignment. It mounts to MIL-STD-1913 Picatinny rails and deploys to standard AR-height when in use.

The Magpul Industries MBUS 3 Back-Up Front Sight is constructed from impact-resistant polymer and uses a spring-loaded mechanism with ambidextrous push-button deployment. This rifle front sight measures approximately 0.44 inches when folded and 1.15 inches at its widest point. The clamp interface attaches securely to most Picatinny rail systems without additional modification. In practical use, the low-profile folded design minimizes obstruction when optics are mounted. The Magpul Industries MBUS 3 Back-Up Front Sight is used for backup aiming in range use, field applications, and rifle configurations requiring a secondary sighting system.