Give it a try. It does for me, but my cleaning regimen is different than some. I get out far too seldom of late due to various family health issues. I will not put a rifle back in the safe after a hunt or range trip without cleaning because I never know when the next opportunity will arise, so..... I clean after every outing whether it was 1 round or 30, dry patch and push an oily patch through the bore. Rifle is good for months, if it doesn't get used in the meantime.
Having said that, TA does an excellent job on removing my carbon, which is seldom baked on. Wish I had known about TA back when I was shooting 100-300 rounds every weekend in practice or a match, half of which was sustained fire. Then I would know how well it does with baked on powder fouling. Does great as described in previous post w/softer powder fouling up to 30 rounds (slow fire) or so. Back in the day, I used mostly Hoppe's Benchrest, which is superior to #9 for carbon, but often required multiple overnight treatments to get the hard stuff out.
Works for me, someone else will have to chime in on how well it works on hard baked carbon.
Regards,
hm