MBUS PRO LR REAR SIGHT BLK Manufacturer Model Number: MAG527-BLK Manufacturer: Magpul Model: MBUS Pro LR Rear Sight Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Shipping Weight: 0.2 Feature: Attaches to M1913 Rail Feature: Adjustable Windage Feature: Elevation Adjustment Wheel Optic Adjustable Objective: false Optic Reticle Illuminated: false