The M134 GAU-17 “Vulcan” cannon is a six-barreled ... Realizing that singled barreled automatic weapons had essentially reached their design limits, the U.S. Army Ordnance Research and ...

Israel is exploring the feasibility of mounting the six-barrel M61 Vulcan cannons found on American ... German-supplied Gepards, a cannon design dating back to the 1960s, have proven highly ...