 By the end of 1977, the AK-63 was adopted by the Hungarian People's Army (beginning with the Ground Forces).In 1978, FÉG added a folding stock AKMS version of the AK-63 to their catalogue; thereafter, the fixed-stock AK-63 became known as the AK-63F (Wooden Stock) and the folding-stock version was designated AK-63D (Descent).In Hungarian service, the AK-63 F and D are designated as the AMM and AMMS, respectively.