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Thread: remove cosmoline.

  1. #1
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    remove cosmoline.

    Just got four cetme steel mags for a birthday gift. Any suggestions on cleaning up. Full of cosmoline.

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    Buckshot's Avatar
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    I have cleaned many mags loaded with cosmoline by soaking them in gasoline. Always do it outside and keep safety in mind.
    Occam's razor, the simplest explanation will be the most plausible

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    Senior Veteran Combloc's Avatar
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    I've found that carb cleaner and a rag takes it right off.

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    I usually use a hair dryer to melt out the bulk of it, then carb cleaner and rags for the rest.

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    Senior Veteran The War Wagon's Avatar
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    Lay 'em on some black plastic in direct sunlight on a hot day. That'll melt away a lot of it naturally & easy.
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    Senior Veteran Ghoulardi's Avatar
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    Quote Originally Posted by Buckshot View Post
    I have cleaned many mags loaded with cosmoline by soaking them in gasoline. Always do it outside and keep safety in mind.
    that is what I do as well, except I don't soak the gun parts or mag. I take them apart and use a paint brush and clean the cosmoline off. did that on my Yugo SKS and Mauser and some AK mags that was packed with it. makes quick work of it and the gas dries quick
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    kerosene.....
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    Senior Veteran Ghoulardi's Avatar
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    Quote Originally Posted by Silvera View Post
    kerosene.....
    also good, but just about EVERYBODY has 1 gallon or more of gasoline in their garage or shed...……...that can't be said for kerosene
    Last edited by Ghoulardi; 05-04-2020 at 02:11 PM.
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    Just fyi. Put a gall in a two gallon bucket of mineral spirit and soaked two days. Wiped down. Cleaned rest with Hopps #p and elbow grease. Came out nice. Thanks for the input. Have five more coming.

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    I got one with my C308 that was the same way. I disassembled and soaked it in mineral spirits. Still have to get in there with an old tooth brush. This made me think of when I bought my Mauser years ago. I read that one should wrap the disassembled rifle in newspaper and place it inside plastic bags. The bagged rifle should then be sat inside your vehicle on a very hot day. It worked as a first step. The newspaper absorbs the melted cosmoline and the plastic bags protect the vehicle. I still had to go over everything with mineral spirits and a brush but the thick stuff was gone.

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