This pistol is semi-automatic in caliber .45 ACP and is recoil operated from a locked breech system and magazine fed. There are 3 safety devices; Grip Safety, Safety Catch and Half-cock position. The bore and chamber are chromed plated.
INSAS (an abbreviation of Indian National Small Arms System) is a family of infantry arms consisting of an assault rifle, a light machine gun and a carbine. It is manufactured by the Indian State Ordnance Factory Board at its Ishapore factory. The Insas Assault Rifle is now the standard infantry weapon of the Indian Armed Forces.