Armscor traces its roots back to a Manila print shop, Squires Bingham & Co., founded in 1905. The print shop later imported and sold motorcycles and various sporting goods, which included some firearms and ammunition. The company was bought by the Tuason family in 1941 and began making firearms through the present corporation in 1952, being renamed
Squires Bingham Manufacturing, Inc. in the same year. Armscor manufactures its own line of firearms and holds manufacturing contracts for other companies' firearm lines, such as Twin Pines' Rock Island Armory (RIA) pistols. In addition to the
Rock Island Armory 1911 series pistols, Armscor is the source of pistols for STI's Spartan,
Cimarron Firearms pre-1923 Model 1911, and
Charles Daly 1911 style pistols. Armscor is an
ISO 9001 certified compliant company which manufactures weapons using CNC (Computer Numerical Control) equipment. Armscor became a registered trademark on February 24, 2009. In 2017, Armscor provided firearms and ammo to the AFP in response in the fighting in Marawi. In August 2019, the company was named by the United Nations' Independent International Fact-Finding Mission on Myanmar (IIFFMM) for selling competition pistols to soldiers in the Tatmadaw Shooting Team from August 2018. In June 2024, the company has begun to market its first assault rifle, the Torch/RD4. On July 7, 2025, an explosion occurred at Armscor's production facility in Marikina, killing two workers and injuring another. The incident was blamed on a primer that detonated while the victims were making bullets. ==Rock Island Armory==