Quote Originally Posted by Texas10 View Post
My EABCO accuracy barrel in 6.5 CM is a copper mine. I get 5 shots in a tight group and then it starts to loosen up. 20 rounds down the barrel, and endoscope reveals a bright copper colored bore. Lots of Gunslick foaming bore cleaner, lots of bright blue colored patches later, and then start all over again. Shoots well when clean, but coppers up real fast.

Hope yours is better.
Update; After shooting this barrel for a while with different bullets and powders I have to agree; this barrel fouls with copper real quick... Not sure if i'd buy one of these again.