hunterintheshadows
New member
what do you guys use for copper fouling? i'm using barnes cr-10 right now. is there anything more efffective? it works , but i have to repeat the process several times. nef 243, barrel is rough still ( less than 4 boxes of ammo thru it) anything work faster? goin to hit it with jb to try and get rid of some of the machine marks (worked for my 223 nef) tia!!!