美国枪械设计师戈登·B.英格拉姆曾在美国陆军服役,并参加过第二次世界大战。“二战”结束后,英格拉姆退伍,他便决心设计出一支比他在战争中使用过的冲锋枪可靠性更高、射击效果更好的新式冲锋枪。1949-1964年间,他设计了一系列的冲锋枪,主要型号有M6、M7、M8、M9等,但效果均不太令人满意。 1964年,英格拉姆参观了老朋友胡安·埃尔基亚加·阿西科尔的埃尔基亚加兵器公司,见到了该公司研制的 American gun designer Gordon B. Ingram served in the U.S. Army and participated in World War II. After World War II, Ingram resigned, he decided to devise a new type of submachine gun that was more reliable and shot better than the submachine gun he used in the war. From 1949 to 1964, he designed a series of submachine guns, the main models are M6, M7, M8, M9, etc., but the results are less than satisfactory. In 1964, Ingram visited the Elkiagar Weaponry Company, an old friend named Juan Ergiaga Asikol and met the company