General Dynamics Ordnance and Tactical Systems | 52,278 followers on LinkedIn. General Dynamics Ordnance and Tactical Systems provides the U.S. military and its allies around the world, an extensive range of weapons systems needed at all levels of strategic and tactical operations. For ground forces, we manufacture heavy machine guns, grenade launchers, crew-served weapons and munitions of all calibers. As well as family of lightweight vehicles for expeditionary and special forces.