WMASG show the accessories under the LCT Airsoft Z-Series, based on the Zenitco accessories for Kalashnikov rifles... "Last year, LCT Airsoft, which has been specializing in the production of replicas of various AK models for years, took some of the accessories from the Zenitco range to the workshop. As a result, at the turn of 2019 and 20, accessories from the Z Series (Z Series) appeared on the market. They are not licensed replicas of Russian products, but very good copies. The test items in our possession even bear similar to the original markings. Apparently, copies bought online do not have such markings."

Read more here and below is the overview video.