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Barrel cleaning

This is a discussion on Barrel cleaning within the SIG Sauer Gunsmithing forums, part of the SIG Sauer Forum category; Many schools of thought out there on barrel cleaning from nothing but bullets to soak and scrub. I typically just patch with solvent or oil. ...


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Old 11-24-2016, 06:59 PM   #1
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Barrel cleaning

Many schools of thought out there on barrel cleaning from nothing but bullets to soak and scrub. I typically just patch with solvent or oil.

Any solid info out there that using a brush will cause damage and affecting accuracy?
What are you guys doing and what is best for accuracy?
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Old 11-24-2016, 07:09 PM   #2
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I just spray it with Break Free, scrub with a brush, that's it.

The only brush that you should never use is stainless steel, other than that, brass or nylon work fine. I am assuming that we are talking about pistol barrels, rifle a bit different.

I don't use harsh solvents (skin won't take it anymore), but break free, ballistol, or other oil based stuff works fine.

Never heard that brushing a barrel affected accuracy, on the contrary NOT cleaning the barrel will affect accuracy.
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Old 11-24-2016, 07:19 PM   #3
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Yes I am talking Pistol barrels. I think it was Schuemann Barrels that talks about just bullets.
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Old 11-24-2016, 07:37 PM   #4
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A brass or nylon brush will not damage your bore. Both of these materials are softer than the steel the bore is made of.

I use Hoppes with brushes and patches until the patches are clean, then a very light coat of oil.
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Old 11-27-2016, 03:06 PM   #5
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I keep hearing to make sure you clean your brass brush after it contacting cleaning fluid, otherwise it will start to deteriorate. That's why I use nylon. Last thing I need is to have to perform maintenance on my maintenance tools. Sheesh.
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Old 11-27-2016, 03:07 PM   #6
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I have never cleaned my brass brushes after using solvents, never had a problem but nylon works good too.
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Old 11-27-2016, 03:09 PM   #7
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That's good to hear. I actually never even tried brass due to this impression I had. Seems to have some potential basis in fact, since the solvent is there to help clean up/dissolve brass shavings among other things??
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Old 11-27-2016, 03:26 PM   #8
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Actually copper fouling, but whatever floats your boat

Nothing wrong with nylon, may have to scrub a bit more, but cleaning is fun, for me anyway. I use both, depends on what is in the cleaning kit at the time.

Back in the old days, (before dirt), I shot a lot of lead, and we would wrap those lead cleaning cloths, you know the yellow ones, around the brush to take out the lead, sort of worked, lots of elbow grease involved.

Key here is to NEVER USE STAINLESS STEEL, that is harder than the barrel and will scratch the bee jesus out of it.

Have no idea why they make those things, can't be used on any barrels that I know of.
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Old 11-27-2016, 04:27 PM   #9
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Copper! Dang it. Appreciate the education.
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Old 11-27-2016, 04:37 PM   #10
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Quote:
Originally Posted by DirtDiver69 View Post
Actually copper fouling, but whatever floats your boat

Nothing wrong with nylon, may have to scrub a bit more, but cleaning is fun, for me anyway. I use both, depends on what is in the cleaning kit at the time.

Back in the old days, (before dirt), I shot a lot of lead, and we would wrap those lead cleaning cloths, you know the yellow ones, around the brush to take out the lead, sort of worked, lots of elbow grease involved.

Key here is to NEVER USE STAINLESS STEEL, that is harder than the barrel and will scratch the bee jesus out of it.

Have no idea why they make those things, can't be used on any barrels that I know of.
I once used a steel tornado brush on the chrome-lined barrel of an LEO trade-in Remington 870. The damn thing was so fouled nothing else would work.

But chrome is much harder than stainless.
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Old 11-27-2016, 04:40 PM   #11
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I once used a steel tornado brush on the chrome-lined barrel of an LEO trade-in Remington 870. The damn thing was so fouled nothing else would work.

But chrome is much harder than stainless.
Agree, but I have seen them in revolver/pistol sizes also. Maybe stainless guns won't get ruined, but in general a big no no for pistol barrels, I guess unless chrome lined.
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Old 11-27-2016, 04:49 PM   #12
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otherwise it will start to deteriorate
Buy in bulk. It's a lot cheaper and the brush will wear down before the solvent will destroy them.
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Old 12-04-2016, 06:05 PM   #13
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I have used brass brushes since the 1970s and never had one dissolve. Takes a long time to wear one out.
I always used Hoppes # 9 and thought it did a great job.
I got a recommend on KG 12 as it is made for howitzers.

I took a 1986 225 barrel that I thought was clean.
Ran KG 12 through it and the patch came out with black crud so thick I could scrape it with a knife.
KG 12 turns copper black.

Now I still clean with Hoppes # 9 and twice a year, I use KG 12 followed by # 9 to flush it out.

KG 12 will eat brass brushes because brass is an alloy of zinc and copper.
Shows how effective other solvents are an copper because I never lost a brush to standard solvents.

KG KG-12 Big Bore Cleaning Solvent
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Old 12-04-2016, 08:41 PM   #14
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Old School

After cleaning the barrel, what is better a light coat of gun oil or gun grease?
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Old 12-05-2016, 12:06 AM   #15
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Oil, just a light coat of it, you want dry barrel before shooting
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