[4] In 1967, "Bars" was awarded the golden medal of the Leipzig Trade Fair and Izhevsk Machine-Building Plant began its serial production in large numbers.
[5] In 1993, Kazan Optical-Mechanical Plant began production of night-vision device for "Bars", "Los-4" and "Los-7" hunting rifles.
[6] In the 2000s, Zagorsk Optical-Mechanical Plant began production of PKO-2 (ПКО-2) reflector sight for "Bars-4" hunting rifles.
[7] In 2017, Kalashnikov Concern announced its intention to replace the production of "Bars" hunting rifles and previous models of "Los" hunting rifles with a new model (Baikal 145 "Los").
[9] The "Bars" has staggered column detachable box magazine.