If you already have a good cleaning regime,maybe a look down with a bore scope will confirm this. Talk to some fullbore shooters they may have access to one..... with JB compound dont try and polish...
Type: Posts; User: johnd
If you already have a good cleaning regime,maybe a look down with a bore scope will confirm this. Talk to some fullbore shooters they may have access to one..... with JB compound dont try and polish...
I would invest in some JB's or auto solve and give it a real heavy duty clean. You would be surprised at what you think is clean and what isnt. But in saying that 10 thou loss is a fair bit for 200...