Zenitco is THE Magpul of Russia. This PKM is done up with TWI & Asura Dynamics Zenitco parts: B-50 Rail System B-51 Upper Rail RK-3 Pistol Grip Synthetic PKM Stock Trijicon SRS available for an added cost A&K Box mag included Inert 7.62x54r bullet loop Internals are overhauled. Parts list available for serious inquiries. Buyer pays shipping.