Are older barrels more prone to copper fouling?

[Robinhood]

Good to know. I have a Shaw barrel in 308 that's been a "copper mine" from day one. I have close to 250 rounds through the barrel and after a 15 round range cession, I can see heavy copper streaks in the grooves. I'm using Wipe Out and then bore paste to get the bore clean after every range cession.

Shaw's are all accurate albeit copper mines.

[mnbogboy2]

Lots of good posts on this thread with great info.
Wish we had our "LIKE" button back because all these posts would have earned them from me.

[GaCop]

Shaw's are all accurate albeit copper mines.

AMEN to that!