ArmaLite公司负责缩小口径的工作主要 ... 1963年11月4日，美军“从货架上”直接购买了85000支XM16E1（即将成为M16A1的临时名称，X表示实验性武器）及19000 ...

Eugene Stoner developed the first AR-15 at the Armalite Corporation ... Several versions, including the M16A1, M16A2, M16A3, and M16A4, had been rolled out through continuous evolution, each ...