1979年11月,在苏联年度红场阅兵式上,人们突然发现T64、T72坦克上装备了一种新式大口径机枪,该枪前所未闻,因此引起轻武器界的极大关注。1983年4月,苏刊《军事知识》又披露出该枪的步兵用型,此篇短文和其中一幅图,成为西方武器专家长篇评论此枪的唯一依据。由于消息来源少,当时有人曾认定它采用传统的卡拉什尼柯夫结构原理,有人甚至误解全枪重仅有 In November 1979, at the Soviet Red Square parade, people suddenly found out that the T64 and T72 tanks were equipped with a new type of large-caliber machine gun, which was unheard of by the gun. This caused great concern to the small arms industry. In April 1983, the Soviet magazine “Military Knowledge” disclosed the type of infantry used by the gun. This essay and one of the pictures became the sole basis for the Western weapons experts to comment on this gun for a long time. Due to the small number of sources, some people once believed that it adopted the traditional Kalashnikov structure principle, and some even misunderstood the whole gun only