Thanks to everyone for their insight. Is Brian indicated I am going to order a replacement barrel. That should remedy the issue once and for all.

---------- Post added at 08:03 AM ---------- Previous post was at 08:01 AM ----------

For anyone else here in the states this is where I sourced the barrel. I cannot comment on quality yet as I don’t have it but it looks good in the write up the photograph in the price. Here is a link
L1A1 Aussie FAL Reproduction Barrel | Sarges Military Surplus