The M21 is a classic sniper rifle built during, and for, the Vietnam war where it served with great distinction. We provide a history of the XM21 and M21 system here.
Help us continue to provide trusted, independent information, training, and resources for the global sniping community. Your donation supports in-depth gear reviews, sniping history, training, and more. Every contribution helps keep Sniper Central accurate, accessible, and free. The way the internet is supposed to be.