Demonstrating how to zero AR-15 iron sights. In the video a Magpul MBUS rear and an A2 front sight is used, but the process is the same regardless of the sights used.
Demonstrating how to zero AR-15 iron sights. In the video a Magpul MBUS rear and an A2 front sight is used, but the process is the same regardless of the sights used.