Mad Paintball. It has black metal body and ammo container and wooden stock, pistol grip and foregrip. It is based on real life weapon AK-47. It lacks a color restriction; therefore, its paintballs' color varies.
"Sergei brought some souvenirs..."
- They are most likely manufactured in Russia like their real-life counterpart.
- Although Sergei actually lives in Ukraine, he could simply have acquired these weapons on his way through Russia