Magpul Industries Mbus 3 Back-up Rear Sight, Rapid-select Rear Aperture System, Ambidextrous Push-button Deployment, Fits Picatinny Rails, Mag1167
Model: MBUS
Product Type: Sight
Fit: Picatinny
Description: Rear
Model: MBUS
Product Type: Sight
Fit: Picatinny
Description: Rear