“many of the images show Hamas militants toting weapons that appear to be relatively new, evidence the group has found ways of getting arms past the air-and-sea blockade of the Gaza Strip — possibly by boat, through tunnels or concealed in shipments of food and other goods.
“The majority of their arms are of Russian, Chinese or Iranian origin, but North Korean weapons and those produced in former Warsaw Pact countries are also present in the arsenal,””
https://www.yahoo.com/news/hamas-fights-patchwork-weapons-built-233300636.html