Thread: What Copper Bullet Fouling, looks like

Originally Posted by R93

What do you mean by that Greg?

I have been told that with a "good" barrel, lapped, Ultra match etc, the chamber edge is where the majority of the copper fouling comes from.

The little burr left by cutting plasmaises the copper as the bullet goes past spreading it down the barrel.

There is another theory that a really really smooth barrel is possibly not desirable either.

It is like "running in" a barrel, some people swear by it, some swear at it