Fortunately, the “howitzer Huey” never materialized. It was likely an unworkable concept, given the helicopter’s limitations.
"Initiate engineering analysis and development to remove the aft weapon system (105mm Gun), refit the aft section, and ...
Service: USAF Armament: AC-130H: 40mm and 105mm cannons; AC-130U: 40mm, 105mm cannons and 25mm gatling gun. Propulsion: Four Allison T56-A-15 turboprop engines Speed: 300 mph Range: 1,300 nm ...