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Thread: Motor Oil as Gun Lube

  1. #1
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    Motor Oil as Gun Lube

    I'm sure I'm not the first person to think this might be a good idea, but I sure as hell am not about to try it, unless some folks can assure me this isn't as crazy as I'm thinking it is.

    I don't see why it wouldn't be appropriate, but that's mostly because I don't have the intestinal fortitude to suck it up and give it a go.

    Anyone ever try something like this?
    Quote Originally Posted by markm View Post
    Our president is a Tier 1 JOKE!

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    http://m4carbine.net/showthread.php?...ight=synthetic

    Since I have a quart of AMSOIL available thought, I'd use it in the interim. That's all. . .
    Last edited by CLHC; 12-30-08 at 17:40.

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    You'd be surprised at how many folks use Mobil 1 or other synthetic car oils to lube guns with and with excellent results. Marvel Mystery Oil is another good one but it's sold as an oil additive. Basically anything can be used with some common sense tossed in. It's just a matter of personal preference. I'l bet good old STP which I don't even think is sold anymore would have been a great gun lube, thick as hell and you usually had to heat it to get it into the engine. Oops just gave away my age!!

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    Quote Originally Posted by TheLandlord View Post
    I'm sure I'm not the first person to think this might be a good idea, but I sure as hell am not about to try it, unless some folks can assure me this isn't as crazy as I'm thinking it is.

    I don't see why it wouldn't be appropriate, but that's mostly because I don't have the intestinal fortitude to suck it up and give it a go.

    Anyone ever try something like this?
    What is the worst thing oil could do to a gun?

    Motor oil is all I've been using for lube for about a year now....Once you try it, you'll probably never go back.

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    I use TW-25 grease and Mobil-1 oil, 5-30W . That is the oil that my car uses , so I take a little for my guns.

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    As time goes on, I've been replacing all of my gun cleaning and lubrication chemicals with non-toxic products.

    For now, it's Slip2000 EWL and Hoppes Elite (MPro7).

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    been useing Mobil 1 for years ,the only lube that is better is LaRue machinegunners lube ,and it is very pricey. posted this here many times ,if you try it you will be pleased.
    WHO ME ? ---- A government big enough to
    give you everything you want, is
    strong enough to take everything
    you have.
    -- Thomas Jefferson

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    When I was on Active Duty, my buddy swore by 30w motor oil for his M60(yeah, I know I'm dating myself). His AG would also use it on his A2 and never had any problems.

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    Hey! A lube thread on M4? I can't believe it....

    Mobil1 user here. It works great on the bolt. Stays wet longer.

    CLP for breaking up the carbon though.

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    I have tried a diesel oil/ATF mix with good results. Kind of like a field expedient CLP. Stinks pretty bad though.

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    I have seen Mobile One used more on Ak's but suspect it is better than nothing.
    I also thought Vagisil was a good suggestion. Sort of a double meaning and then, if you happened to touch your face before washing your hands, your more familiar with the taste.
    Last edited by Sidewinder6; 12-30-08 at 20:22.

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    Thanks for the link. I didn't bother using the search function, since I figured nobody would do this...

    So much for an original thought.


    Quote Originally Posted by markm View Post
    Our president is a Tier 1 JOKE!

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    I've used 15w-50 Mobil 1 synthetic and the Mobil 1 gear oil 75w-90. I'd suggest the 15w-50 over the gear oil which has a pretty strong odor. Both should work well and keep the bolt wet.

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    We use to run Mobile 1 10w 30 in our MP5s. It we found it worked the best for that weapon system.

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    with that being said, do you guys just apply this normally as any other lube?

    Slow is smooth. Smooth is fast. Fast is good.

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    Yes apply it normally like other lubes. Keep in mind ARs work better wet than dry.

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    Yes. 20w50 Mobile 1. Ounce per ounce very cheap too. 1 Quart should last several years.
    "As a member of the House Intelligence Committee, I am keenly aware that the proliferation of chemical and biological weapons is an issue of grave importance to all nations. Saddam Hussein has been engaged in the development of weapons of mass destruction technology which is a threat to countries in the region and he has made a mockery of the weapons inspection process." -- Nancy Pelosi, December 16, 1998

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    We used used Hummer oil on all of our crew served weapons in Afghanistan and it worked great. I am sure some of the Teams used it on their M4's as well, but dust stopped being an issue on the crew served when they switched over.

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    I really didn't think I'd find favourable feedback on this one.

    The idea, for me, popped up when I realised I was fresh out of lube, and thought I could substitute motor oil. Then I thought motor oil wouldn't burn off as quick as regular gun butters.

    Glad to know it wasn't as crazy as I first thought. With motor oil being cheaper than gun lube, Ole Betsy can stay greasier than possum dumplings.
    Quote Originally Posted by markm View Post
    Our president is a Tier 1 JOKE!

  20. #20
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    whats up with mobil 1? how's that a better gun lube than store-brand 10w30?

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