"The Russian company ORSIS (Latinized syllabic abbreviation for the phrase “Weapon systems”) at the Arms & Hunting 2019 exhibition in Moscow showed the ORSIS-AR15J rifle, which is an analogue of the popular American semi-automatic AR-15...
ORSIS-AR15J is an analogue of the semi-automatic rifle AR-15 chambered for 5.56 by 45 millimeters. The first and second are distinguished by barrels manufactured by ORSIS, which, according to the company, significantly increase the accuracy and resource of Russian-made rifles."
https://lenta.ru/news/2019/10/10/ar15/
ORSIS-AR15J is an analogue of the semi-automatic rifle AR-15 chambered for 5.56 by 45 millimeters. The first and second are distinguished by barrels manufactured by ORSIS, which, according to the company, significantly increase the accuracy and resource of Russian-made rifles."
https://lenta.ru/news/2019/10/10/ar15/