尽管1985年1月美国决定选用北约9mm伯莱塔手枪取代久负声誉的.45ACP(科尔特自动手枪),但美国特种作战司令部又制定了进攻型手枪联合勤务作战的要求。1990年11月27日制定了具体计划。1993年11月初美国特种作战司令部进行了评估,并决定由柯尔特公司和HK公司提供。目前,特种作战司令部希望94年1月前签订一项.45口径进攻型手枪第二阶段的研制合同。1991年底这两个公司曾经签订过第一阶段的研制合同,当时要求每个公司提供30支样枪。从1992年底到93年3月份特种作战司令部评估了这两家公司的 Although the United States decided in January 1985 to replace the long-standing .45 ACP (Corte Automatic Handgun) with the NATO 9mm Beretta pistol, the U.S. Special Operations Command has demanded that the offensive pistol be jointly operated. November 27, 1990 developed a specific plan. In early November 1993, the US Special Operations Command evaluated and decided to supply Colt and HK. At present, Special Operations Command hopes to sign a contract for the development of the second stage of a .45 caliber pistol by January 94. At the end of 1991, the two companies had signed the first phase of the development contract, when each company was required to provide 30 sample guns. From the end of 1992 to March 1993, Special Operations Command evaluated the two companies