Made from 4150 Chrome Moly steel. The handguard retainer slots and extractor clearance cut has also been done on these barrels.
These barrels are made from rifle blanks with a .214" bore and 1-8 twist. Each barrel is stamped USA 5.45 for 922r compliance.
Gas port is NOT drilled. Use #48 drill bit.
This item is made in the United States and counts as a 922r compliant part.
- 14x1mm LH