Originally Posted by sabotloader

I guess I am not sure exactly what you are asking for sure?

Not to be shot long term... what I am suggesting there is that BH does cause a 'crud ring' type of fouling but it is in the breech plug instead of the bore. At the time of BH's release I do not think this was known for sure. Current breech plugs do not have the ability to shoot long term (many shots) without doing some maintenance to the BP. Gun companies certainly did not know it for sure or they could done more preparation for a BP that would offer more long term shooting capabilities.

Maybe help me understand what you are asking?