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.
M1 mortar The M1 mortar is an American 81 millimeter caliber mortar. It was based on the French Brandt mortar. The M1 mortar was used from World War II until the 1950s when it was replaced by the lighter and longer ranged M29 mortar.