Removing carbon in throat

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art123

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My 6.5x47 has almost 3500 rounds through it. For a while I've been using JB every once in a while to reduce the carbon build up in the throat but it seems to getting worse now probably because of the fire cracking. I no longer see land marks on a jammed bullet, just a solid ring. My pressure also starts to increase from this. I'm guessing my barrel is almost done but was wondering if anyone has any tricks to remove this.
 
If I'm not mistaken I believe one of the products mentioned over the past weekend at the range for removing carbon is slip 2000. I haven't personally tried it.
I usually just do a basic cleaning with a strong ammonia on bore felts and maybe push a brush in once or twice on occasion and all seems fine.
 
Go to your local Automotive parts store.

Buy a small jar of the concentrate used in Injector/combustion chamber cleaning machines.[I like MotorVac Carbon-Clean]
ProCleen, MityVac, and other systems all use this stuff for cleaning carbon from gasoline engines.

This will remove carbon better than anything I have ever tried. It is very concentrated though, so you can dilute it a bit with deodorized Kerosene if you want.

Just swab it in the throat area generously, leave for ½ hour, and the carbon will come out like magic, when you push fresh patches through.

Caution! DO NOT get this stuff on fine wood finishes!! It is not kind to them. :)

Regards, Dave.
 
No idea if it is harmful to barrel steel but I've used oven cleaner when gill style muzzle brakes get badly carbon fouled. I sprayed it on, left it for 20 min and the carbon softened right up. The oven cleaner didn't appear to hurt anything.
 
Don't guess at the throat condition, get it borescoped, why attack a carbon problem which may not exist,,jmo,,
 
Use 1000 grit or finer scotch brite soaked in Kroil on a tight fitting jag.
Short stroke it starting from the back.
Works like a charm.

It will be hard to budge at first but it'll get easier after you stroke it a few times.
 
Thanks for all the advice so far. I had it bore scoped about 800 rounds ago and it was getting firecracked then. I'll have to try eagleye's advice, seems like most of the gun products work very slowly especially at cleaning muzzle brakes. Best one I've used so far is KG1
 
I just had to rechamber a rifle because the throat had a bad carbon build up that ruined the throat , I cut of the tenon and rechambered it shoots good now .
 
I don't own a borescope to confirm anything but have used iosso and JB and feel they do the trick. Something I've used lately that seems to work as well is Sea Foam Engine Cleaner. It worked really well cleaning carbon from small engines so I figured I'd give it a try. I just wet a patch on a slotted jag or any other other jag with a firm but not tight patch. Run it through the bore. Let it dwell for 10 minutes or so then run a wetted nylon brush through for 10 or 20 strokes then patch it out.

Seems to work for me....
 
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