Troy Industries is best known for the rifle that replaced what model in the US Army by 1961?
Troy Industries Troy Industries, Inc. is an American manufacturer of firearms and firearm parts based in West Springfield, Massachusetts. It is the manufacturer of parts on the Smith & Wesson M&P15 and is a United States government contractor. Troy is best known for its M14 rifle parts and its M7A1 carbine, which was reviewed by the United States armed forces when drafting requirements for a replacement of the M4 carbine.
M114 155 mm howitzer The M114 155 mm howitzer was a towed howitzer developed and used by the United States Army. It was first produced in 1942 as a medium artillery piece under the designation of 155 mm Howitzer M1. It saw service with the US Army during World War II, the Korean War, and the Vietnam War, before being replaced by the M198 howitzer.