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Cosmoline Removal


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55 replies to this topic

#21 Sean

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Posted November 19 2011 - 06:38 PM

I used Simple Green to strip the grease off a SMLE stock and also leaving it on the deck in the sun and letting the solar heat leach it out. Not the fastest method, but the Simple Green is less worrisome than Solvents like Acetone or using Easy-Off.

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#22 free2scour

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Posted November 19 2011 - 06:44 PM

I used mineral spirits on the metal parts and a couple applications of a "citrus gel" to remove everything from the stock prior to refinishing.

#23 sniper

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Posted November 20 2011 - 09:08 PM

will mineral spirits hurt the wood finish?

not sure but it does a good squeeky clean job and it dosent hurt the plastic i also drop my mags in it once in a while. It drys real fast when you take the parts out and leaves the stainless real clean and shiny then i coat lightly with gun oil. You want to use rubber gloves it drys the heck out of your skin, try to get the distilled typs of mineral oil, like if i am out of a particular type of gun oil and try another i use the mineral spirits so as if the oils are not compatable. overkill im sure but my babies are worth it. i rarely dont clean after every range trip at least i do the basic field strip type cleaning, i hate a dirty gun

#24 kaluce

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Posted November 21 2011 - 04:01 PM

I +1 the simple green + boiling water for metal parts. it's how i cleaned my Mosin. so much easier to clean that way. dunking all the metal parts in, I took them all out after 5 minutes, and immediately dried and oiled them one at a time after removing them from the solution worked like a charm. only hassle was finding and filling a bin that can hold that much boiling water.

#25 The Robfather

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Posted November 21 2011 - 04:05 PM

i find cosmoline best served chilled with a light fish dish and assorted fresh greens.  

#26 BKLYN_C

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Posted November 21 2011 - 04:34 PM

You can also pee on it. The urine contains lots of minerals and solt and acids. The urine when it exits your body is warm which soften the cosmoline and the chemicals finish the cleaning process. Then you just rinse with fresh water and wipe dry.
This trick we were told on the very first day in army by our senior comrades.  
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#27 Infidel13

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Posted November 21 2011 - 04:41 PM

I used Simple Green to strip the grease off a SMLE stock and also leaving it on the deck in the sun and letting the solar heat leach it out. Not the fastest method, but the Simple Green is less worrisome than Solvents like Acetone or using Easy-Off.


This! Even the guys from the American Gunsmithing Institute recommend lots of hot water, simple green and toothbrush. Add some elbow grease and you are set.

#28 mongo

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Posted November 21 2011 - 05:22 PM

I +1 the simple green + boiling water for metal parts. it's how i cleaned my Mosin. so much easier to clean that way. dunking all the metal parts in, I took them all out after 5 minutes, and immediately dried and oiled them one at a time after removing them from the solution worked like a charm. only hassle was finding and filling a bin that can hold that much boiling water.


+1 on the boiling water and rags, Maybe a little simple green, Mo better than caustic smelly solvents.

#29 jamesbeat

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Posted December 12 2011 - 07:28 PM

I favor the dishwasher method, but large parts don't always fit.
My latest go-to is a 50/50 mixture of barbecue lighter fluid (which I believe is kerosene) and ATF.
You can make half a gallon of this stuff for under $10.

I leave parts to soak overnight, and the cosmoline is completely gone by morning, even the stuff that has turned to varnish.
The best part is that it completely gets rid of the smell, unlike the heat methods.

For wood, I use easy off oven cleaner, but this strips the finish too.

#30 Number 6

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Posted December 12 2011 - 07:38 PM

I broke down the Mosin to individual parts and then used a handheld clothes steamer. It worked great on the wood and did not hurt the finish. I heated up the stock and immediately wiped down with a rag - the cosmo came right off. I did the same with all the metal parts, with additional steps. For the small parts, I let them soak in a little Hoppes #9. For the receiver and barrel, I used the kitchen sink filled with hot water and really good anti-grease diswashing detergent. I dipped the metal parts and scrubbed with an old toothbrush.

After drying with a lint free cloth, I let air dry for a couple of days before assembling and oiling.
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#31 jamesbeat

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Posted December 12 2011 - 08:15 PM

OT: number 6, love the name and that avatar :)
Be seeing you...

#32 Camper88

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Posted April 12 2012 - 08:17 PM

My 1st Mosin will arrive next Wednesday. I'm going to try hot soapy water on the outside and gumout dwon the barrel. I'll post the result or lack of, next week.

#33 wreckhog

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Posted April 12 2012 - 08:38 PM

Ahhh, racking the bolt and hearing something like you just pulled your boot out of a muddy trail. Yuck.

#34 Mad Russian

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Posted April 12 2012 - 08:48 PM

My 1st Mosin will arrive next Wednesday. I'm going to try hot soapy water on the outside and gumout dwon the barrel. I'll post the result or lack of, next week.


Leave the hot soapy water for washing yourself. Buy a large bottle of Hoppes, and some cheap rags from an autoparts store or Harbor Freight, old T-shirts work well too, q-tips,  and toothpicks may come in handy too.
Strip the gun, and I mean everything! Clean the steel parts with carb cleaner or Hoppes. Clean the wood with Hoppes. It will not damage the wood like hot water may. Wear rubber gloves and clean outside.
Carb cleaner will strip the metal dry, so you have to oil everything again.

#35 boke

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Posted April 12 2012 - 09:45 PM

So would.penetrating lube be good for removing cosmoline, or how about a bath in marvel mystery oil? Perhaps ronsol?

#36 DanHS

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Posted April 12 2012 - 10:16 PM

I used a bunch of paper towels. Stripped the gun entirely apart, wiped everything clean with paper towels. Wiped the wood with slightly moistened paper towels. Good enough for me. Why bother removing every last molecule of cosmoline, you need to regularly clean and re-oil the metal anyway. Plus I like the way it smells :)

#37 clashfan24

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Posted May 25 2012 - 02:10 PM

When your significant other goes out, run it though the dishwasher.. 8)


LOL

#38 Saleen4971

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Posted June 13 2012 - 03:08 PM

i jsut cleaned the surface of the wood, then thoroughly cleaned all metal parts with rubbing alcohol, then put about 60 rounds through it and watched it all bubble out. as soon as i got home, i wiped it down again. after the 2nd range trip, i dont see or feel any cosmoline anymore.

#39 ASSAULTFUN

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Posted June 13 2012 - 03:43 PM

9/10 times i opt to just leave the cosmo and add some oil and forget about the gun for another 50 years.

#40 The Idiocracy

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Posted January 02 2013 - 10:36 PM

Engine degreaser. Works like a charm. It's oil based so it doesn't hurt the wood. I figured that out after I got some bad advise on cleaning the stock with steam. You can guess that the stock was promptly ruined. I just refinished, came out nice.




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