Do you use synthetic motor oil on your AR?

Do you use synthetic motor oil on your AR?

This is a discussion on Do you use synthetic motor oil on your AR? within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; Just wondering if anyone else uses motor oil on their AR BCG's and what weight you use? Right now I'm using 5w20 because that's what ...

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Thread: Do you use synthetic motor oil on your AR?

  1. #1
    Member Array rugerdude12's Avatar
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    Do you use synthetic motor oil on your AR?

    Just wondering if anyone else uses motor oil on their AR BCG's and what weight you use? Right now I'm using 5w20 because that's what I had around, but I've been told that is too light and I should do more like a 10w40. I'm thinking of just switching to slip 2000 instead. If you don't use motor oil what do you use instead? I'm only talking lube, not a cleaner
    "The best we can hope for concerning the people at large, is that they be properly armed."


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    Senior Member Array tubadude's Avatar
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    I use FireClean. Yesterday was my first outing with it on all of my guns, and I really like it so far. Cleanup was a breeze and I only had to reapply a drop or two to everything afterwards.

  3. #3
    Ex Member Array Longstreet's Avatar
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    I prefer Mobil 1 Synthetic Ball-Bearing Grease or one of the Wheel-Bearing greases. I've had better luck with them than any of the motor oils.

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    VIP Member Array LimaCharlie's Avatar
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    I use M-Pr0 7 products and Montana Xtreme Gun Grease on all of my guns. If it rotates, oil it lightly. If it slides, grease it very lightly
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    VIP Member Array StormRhydr's Avatar
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    I use high temp bearing grease. I use autozone brand. Why? Because its what I had on hand. But it works just fine, and will keep your AR going under heavy, sustained fire. AND will be there when you next reach for your weapon. Unlike gun oil.
    WHEC724, molleur and Hodad like this.

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    VIP Member Array Bad Bob's Avatar
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    Yup, for 10-15 years so far.
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    Mobil 1 works just fine for me at the range. The problem I have found is that oil tends to run off of the parts while in storage. It oozes down into the lowest part of the gun, the buffer tube when stored in the safe.

    After a while the buffer tube gets all funk nasty and it can cause a stoppage. If you insist on using automobile lube I suggest high temp grease. That way it stays where you put it. The best thing is to use a lube that was made for lubing ARs like slip 2000.
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    No AR here, but I've often used synthetic motor oil on firearms with no issues.
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    Synthetic high temp wheel bearing grease works well and it's cheap!
    Not so good in really dusty/sandy conditions, then use Mobile 1, either grade mentioned previously.
    "Don't shout for help at night, you may wake your neighbors"

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    VIP Member Array jonconsiglio's Avatar
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    FireClean is by far one of the best you can get with Slip EWL right behind it. I've used motor oil many times and would have no problem using it now in a pinch, but there are a number of better choices out there.
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    VIP Member Array Harryball's Avatar
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    Quote Originally Posted by 40Bob View Post
    Yup, for 10-15 years so far.
    Yep, me to....
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  12. #12
    Distinguished Member Array Hodad's Avatar
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    High temp grease works well.
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    I'll admit I'm using Froglube on half my handguns, FireClean on the rest. So far I give the edge to FireClean. Clean up is easier.
    Retired USAF E-8. Lighten up and enjoy life because:
    Paranoia strikes deep, into your heart it will creep. It starts when you're always afraid... Buffalo Springfield - For What It's Worth

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    CLP for many years never a problem it works

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    Fireclean user here!

    You can clean up your rifle with a paper towel.
    “Are you a thermometer or a thermostat, do you reflect or become what is happening in the room or do you change the atmosphere, reset the temperature when you come into the room”?--Chuck Swindoll

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