Originally Posted by nicoroshi
They (The Bulgarians) do make barrel that will fit a '4'.
I have not seen any full length US made barrels large enough, and only the Bluejack krink barrels for a short one.
Short of finding a #'4' stamped Bulgarian barrel I still recommend sending it back.
Mike told me that Curtis would be able to make a barrel that would fit. Is this a viable option? AK-builder seems to always be pretty busy...