Made from 4150 Chrome Moly steel and " Chrome Lined " , Gas Port not drilled, outer suface in the white.
These are made to fit the 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.