Made from 4150 Chrome Moly steel and then nitrided inside and out. Gas Port not drilled
These are made to fit the Hungarian AMMS, Romanian, Polish Underfolder, Egyptian Maadi parts kits as well as other standard 7.62 kits. Will not work with Yugo M70's.
Marked 7.62 USA
This item is made in the United States and counts as a 922r compliant part.