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Discussion Starter · #1 ·
I was cleaning my gas port today after only firing about 40 rounds yesterday. I usually use gun scrubber and then scrub it out with a bronze brush. Today, I noticed some blue/green residue inside there. Is this rust? I didnt get it wet. Did it rust because of some gun scrubber residue left inside? After I saw this, I scrubbed that and the carbon out with a toothbrush, bronze bore brush and hoppes 9 solvent (RBC). It appears to have worked. Although I couldnt get all of the carbon residue off. I did a good job cleaning the gas port and the gas tube, but there is definatly still carbon in there that I just cannot get out. Should I worry about that? I was thinking about this. Could the blue/green residue be copper fouling? It makes sense as copper turns green over time. But Im still lost on what it is and what to do. And if hoppes 9 is enough to do it. Also, this may have something to do with the increased recoil I felt at the range the other day. The SKS usually has a pleasent kick to it, this time it was considerably rougher. Should I get some copper remover, rust prevention and get ALL the carbon residue out of the gun's gas port? any help would be appreciated
 

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DontBurnMyFlag said:
Could the blue/green residue be copper fouling? It makes sense as copper turns green over time.
That would be my guess.
 

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YOU TALKIN' TO ME!?
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Someone had sex with it! :eek:

Oh wait, thats just me...sorry....
 

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Since 03-15- 2002
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corrosive ammo? The only ammo I know of that a guy may get his hands on is the chicom norchinco stuff.
 

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Discussion Starter · #6 ·
nope, the only rounds i put through it were winchester 7.62 rounds. In the newly manufactured 20 round boxes. There is a alot of the residue in my grenade launcher because my bore brush only cleans the barrel and isnt the right diameter for the launcher. I used hoppes, rubbed it off and let it dry then wiped it down to make sure no moisture got in. I used "duster" compressed C02, and I imagine that some moisture leaked in. Any clue on what I should use to get the residue out of the 'nade launcher and gas port?
 

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the blue-green stuff is copper fouling the Hoppes loosened up. if you want it spanky clean keep scrubbing. i have a bubba mauser, thought i kept it pretty clean. well i plugged the muzzle, filled the bore with Hoppes, and let it stand for 24 hours, a whole gob of the crud came out.
 

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Discussion Starter · #9 ·
i used some more hoppes, let it dry, cleaned it out etc etc. Will the fouling affect my gun at all? I mean, I cleared most of it out, Theres some slight stuff left.
 

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If you clean "by the book" you wet the bore with Hoppes run a dry patch through it to get out anything loose. Dip your brush in Hoppes and run it through one stroke for every shot fired since the last cleaning.(We all do that, right?) Run a soaked patch through and let it sit, maintaining a wet bore for as long as you can stand it. Then another dry one and repeat wet and dry until they start coming out clean. A truely clean bore will be a dull grey color. Just bare metal.
The fouling can affect accuracy but not enough to matter as far as hunting goes if you keep it relatively clean.
 
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