Magpul MBUS 3 Front Sight – Polymer Backup Iron Sight for Picatinny Rail

The Magpul MBUS 3 Front Sight is a low-profile, spring-loaded backup iron sight designed for use with standard-height gas blocks.

• Type: Flip-Up Front Backup Iron Sight
• Material: Impact-Resistant Polymer
• Mounting: MIL-STD-1913 Picatinny Rail
• Deployment: Spring-Loaded, Push-Button
• Adjustment: Elevation (Requires Front Sight Tool)
• Gas Block Compatibility: Standard Height
• Finish: Matte Black
• Profile: Low-Profile When Stowed