MBUS 3 FRONT SIGHT BLK Manufacturer Model Number: MAG1166-BLK Manufacturer: Magpul Model: MBUS 3 Front Sight Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Shipping Weight: 0.09 Feature: Fits M1913 Picatinny Rail Feature: Tool-Less Elevation Adjust Feature: Ambidextrous Deployment Optic Adjustable Objective: false Optic Reticle Illuminated: false