The 9x19mm and .45 ACP variations ended up introduced at the same time. The .380 ACP Model was released later on in the exact same calendar year. The MAC-10 was then made available towards the U.S. Army throughout the closing a long time from the Vietnam War like a weapon https://landenovbau.onesmablog.com/5-tips-about-ak-47-for-sale-you-can-use-today-71404865