There are a lot of good solvents, but if you do not shoot pure copper jacketed bullets you will never need the harsh solvents which manycontain amonia. And some copper in the bore is good for accuacy. So why remove all of it if it takes say 6-12 shoots to get back to accuracy after such an hard cleaning?
I have had heavy fouling in some guns while using bullets with gilding metal jackets.It would have taken days to remove the copper with Hoppes #9.Sweets and cr-10 will not harm a barrel if used correctly,and remove the copper in minutes.Some guns do require a few fouling shots to shoot most accurately,but some do not.I find that my match grade aftermarket barrels generally shoot just as well from a clean barrel as they do after a few fouling shots.
I use only gliuding mental jacketed bullets
Do they produce mental fouling?