Thread: Tikka T3X barrel break-in

Originally Posted by tibo

My gunsmith told me no matter how good the chambering is, it always leave some tiny tiny burr that collect copper on first rounds. Those first rounds at the same time remove those burrs.

I think this is the most significant aspect of breaking-in a barrel, in that it’s actually the chamber / bore transition that needs the attention. I’ll use abrasives on a patch and short-stroke this area before firing the first shot through a new barrel.