A Chinese made SKS but a U.S made variant. American importers wanted a unique and different model to get a potential buyer’s attention, so they cut down full sized SKS rifles into the 16” barreled “Paratroopers”. There is no evidence the Chinese ever issued a shortened SKS to their soldiers but Norinco and Polytech soon caught on and began to produce SKS paratroopers for the U.S market. Easiest way to tell the difference is that the importer made paratroopers have a flat, very even cut muzzle, whereas the Chinese paratroopers are rounded and milled like a real factory barrel.
Note the 20 round “star” magazine. Those are Chinese made as well and replace the fixed 10 round magazine. Value wise, they can be worth around $50 or more to the right buyer but they have a spotty reputation in terms of reliability. (GRH)