Hard Crusty Carbon Removal

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Can anyone recommend a solvent/cleaner that will soften this stuff? The stuff found on the insides of AR-15 bolts and M1A/Garand gas systems?

I'm looking for something that will soften or make this stuff easily removable without long periods of soaking, etc.

Anything that can be used in an ultrasonic cleaner?

Seafoam or fuel injector cleaner?
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For steel parts some oven cleaner or dilute drain cleaner can work ok, especially if warmed, and following up with stainless brushes. You'll ruin parts if they're not steel so look carefully for small parts and check with a magnet. You need to rinse well with water and dry, so rust is a potential problem inside of long tubes, crevices, etc.

Otherwise soaking in carb cleaner is probably the best bet, warming helps, and following up wityh metal brushes.

In both cases finishes can suffer, and if you're in the military more than that will suffer.
 
Adding I've had serious carbon fouling on some rifles like yourself and never had a problem removing the hard crud. The most abrasive brush I've used was bronze. Never needed stainless brushes but everybody has their own process.
 
Originally Posted By: paulo57509
Can anyone recommend a solvent/cleaner that will soften this stuff? The stuff found on the insides of AR-15 bolts and M1A/Garand gas systems?

I'm looking for something that will soften or make this stuff easily removable without long periods of soaking, etc.

Anything that can be used in an ultrasonic cleaner?

Seafoam or fuel injector cleaner?
crackmeup2.gif



paulo,

You in reality can't remove all of the carbon inside the bolt carrier. You might consider looking-up Bushmaster fire arms and getting a carbon scrapper that'll help keep the carbon down to a safe mininum. Otherwist you might also consider getting some MP-Pro7 in gel form and pour some inside that area and soak it for a day or two.


Durango
 
Thanks for the reply, guys.

I'll just stick with soaking the parts in old #9 for a day or two. It's worked in the past. I just figured there might be something more hi-tech out there now.

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I did pick up some Gunslick copper removing solvent at Wal-Mart a few days ago. The stuff feels just like soap between the fingers. Or is that just my dissolving skin that feels slippery?
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BTW, using it as described in the instructions, it didn't work very well at copper removal. I even left it in the bore while I tended to other cleaning chores. It did turn the patches a blue tint, so I guess it as doing something. Just not as quick as I'm used to with other products. Perhaps it's just not as aggressive (harsh).
 
Originally Posted By: paulo57509
Thanks for the reply, guys.

I'll just stick with soaking the parts in old #9 for a day or two. It's worked in the past. I just figured there might be something more hi-tech out there now.

32.gif
I did pick up some Gunslick copper removing solvent at Wal-Mart a few days ago. The stuff feels just like soap between the fingers. Or is that just my dissolving skin that feels slippery?
shocked2.gif
BTW, using it as described in the instructions, it didn't work very well at copper removal. I even left it in the bore while I tended to other cleaning chores. It did turn the patches a blue tint, so I guess it as doing something. Just not as quick as I'm used to with other products. Perhaps it's just not as aggressive (harsh).



paulo,

There are a vast choice of products out their on the market of your choosing. If No. 9 is good for you then stick with it. Just be aware their might be a solvent that'll cut your cleaning time down. No. 9 is a very mild solvent so it'll work fine for your needs. Just give it much more time to work for you. Gunslick is a very aggressive solvent so keep away from the fumes. Try a bottle of "Shooters Choice" and see what happens. It keeps my expensive bolt actions very happy.

Durango
 
Thanks Durango.

I have a bottle of Shooter's Choice copper solvent around in the garage someplace. It's worked well for me in the past.
 
Your trying to remove carbon not copper. Shooters Choice MC#7 is the one to try, not SC copper remover.

Low Odor Mineral Spirits will work. You could try some B-12 ChemTool

No idea what would USC safe.
 
Originally Posted By: Gregory
Your trying to remove carbon not copper. Shooters Choice MC#7 is the one to try, not SC copper remover.

Low Odor Mineral Spirits will work. You could try some B-12 ChemTool

No idea what would USC safe.


Yes, thank you.

But read back a few posts. I think Durango was referring to my off-topic comment regarding copper removal using Gunslick Copper Klenze. Yes, I realize Shooter's Choice makes a copper removing solvent.
 
Last edited:
Originally Posted By: alreadygone
With this thread's title, I'm suprised no one's mentioned Uranus yet!
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Bob


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