Guns
五六式半自动 (Type 56 semi-automatic) or the PRC version of the SKS. Well, at least the barrelled receiver of one https://awoo.space/media/EemX1jZ7QeJzXNWax0Q https://awoo.space/media/1IkHLxN-JLEk_MIniRM https://awoo.space/media/Ia-rJD_B81KdfO3T5S8 https://awoo.space/media/3nRyowIdfWuPxeo8Sr4
Guns
the pictured barrel has a cruciform bayonet, and based on the arsenal code and serial number was probably made in 1977 for the civil guard (as opposed to the people's liberation army)
Guns
did i mention the bolts of these soviet and chinese death machines are kinda cute https://awoo.space/media/qZJzNkFXkJQudg5sQ8k https://awoo.space/media/TnQOfALXcLr9UQGlVRc
Guns
the rear sight assembly contains an intact, heavily greased gas piston extension: basically a rod with heavy spring that directly impinges on the action to cycle it.