Aim-O M4 Red/Green Dot With Laser (DE)

Aim-O M4 Red/Green Dot With Laser (DE) Aluminum Construction 1X magnification 5 Adjustable Brightness Levels (Red & Green) Integrated Laser Unit for Rapid Target Acquisition With Scope Cover Fit to Mount on 20mm Picatinny Rail System Handguard Waterproof, anti-fog and shockproof Fully Adjustable Windage and Elevation Length: 140mm