Problem with rust pitting in the bore is it will cause fouling (particularly copper) after a few shots which is detrimental to accuracy.....OK if the shots are few, but a competition barrel shooting...
Type: Posts; User: Longranger
Problem with rust pitting in the bore is it will cause fouling (particularly copper) after a few shots which is detrimental to accuracy.....OK if the shots are few, but a competition barrel shooting...
For sure it's rust......put a dry patch through and if it is brown there is no doubt. Problem with rust pitting is that there will always now be a layer of rust at the bottom of the pit and that will...