This system successfully tested on AK-12, ensures stable zero retention for any sight, mounted on the top cover. Polymer forend is “free-floated” and does not touches barrel. Gas tube is permanently attached to the receiver, and has a removable plug at the front for inspection and cleaning. Barrel is equipped with highly effective muzzle brake – compensator. TR3 rifle ca use all types of AK-compatible magazines in respective calibers. Iron sights consist of a hooded front post, mounted on the gas block, and the adjustable diopter type rear sight with windage adjustment mechanism and range settings between 100 and 800 meters. Standard shoulder stock folds to the left side, and is adjustable for length of pull.
Caliber cartridge 5.45×39/7.62x39mm