I've tried numbers of different barrel cleaners and about the best do it all cleaners I've tried so far is Deaton's Deep Clean. I've been trying that at the range during barrel break in while the barrel is still warm and it does a very good job. I also turns blue from copper so it gives you a visual indicator for the copper. It would probably do better with plastic jag because it does get some blue from the jag. Another one that works good is Blue Wonder, but I think the DDC works a little better. I also do not use a wire brush, as they say to on the bottle, but I've been using it to clean after every shot or every three shots.

I still find KG1 and KG12 to be the fastest. On heavier copper build up, I still find it was much quicker to use the KG12. It will take the copper out in short time compared to any of the all in one cleaners I've tried. The KG12 will not give a visual indicator that it's working so you do have to look in the barrel to make sure the copper is gone.

When I get home, I still use the KG1 and KG12 but I find there is very little carbon build up after cleaning with the DDC at the range. Blue Wonder also does a very good job but I seem to keep going back to the DDC, it just seems to do a little better.

The last two barrels I've broken in required very little cleaning when I got home using the DDC at the range to clean with during break-in.

I still have not found a cleaner that will remove hard carbon build up in the throat after a lot of rounds have been down the barrel and not reqularly cleaned while shooting. The only thing I've found that gets that stuff out is a lot of work, brass brushes, felt rolls and some of the abrassive cleaners, which you have to be very carefull with.

Let me also say, I'm not associated with or promoting any of these products, they are just the ones I've used and think work the best of the numbers of different products I've tried.

Might be real good but its over priced.

On Nick's recommendation, I got some Gunzilla and also two of the Bore-Tech products. Both the Gunzilla and Bore Tech's "Rimfire Blend" are fantastic at cleaning up .22s and handguns that have been used for cast bullet shooting. Seems like a couple of wet patches, and .... I'm done. Very anti-climatic!

My old bottles of Hoppe's and Butch's may not get used again, unless I run out of the newer stuff.

__________________
MikeG

Some good new non-toxic CLPs out there, Gunzilla and Frog Lube. Both seem to be fantastic and then there is always the original non-toxic CLP, Ballistol. I am using all three with no clear favorite.

__________________
"Had his shooting been as good as his running, he might have given a better account of himself."
James. C. Henderson

At some point, you should consider a powder change; unless you enjoy the hard carbon wars.
In my 308, shooting 748, I've never found it, and don't have copper issues.
Other than a few squirts of Mpro7 & a single pass of the bore snake, every few hundred rounds; I don't clean my bores anymore.

Gunzilla now for couple yers. Just bought another, larger bottle, so I guess it will be the one for a while.

I did get some Ezzox and will try that on a couple guns, exclusively.

Gunzilla is my go to for almost everything now.

__________________
sans remords
USPSA/NROI certified RO