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How many use Mobil1 syn. oil for their AR? Also, do you use it for everything or just the bolt?
By the way, those that do does it matter on viscosity?
 

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When out of gun oil I use dextron.
 

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All I have ever used to lubricate my firearms is Mobil 1 Motor Oil, ATF, (Automatic Transmission Fluid), and for very high pressure friction points like bolt lugs on bolt action rifles and hinge pins on O/U shotguns I will use a small amount of STP. I have never had a a gun rust or fail because of a lubrication issue in over 45 years.

Gun oils and greases are overpriced "snake oils" in fancy packaging, nothing more. Know what a Castrol Rep told me your getting when you spend $8.00 for a bottle of "Castrol / Hoppes Synthetic Gun Oil"? Castrol Syntec Motor Oil with an emulsifier added to it. You can buy it all day for around $4.50 @ quart, or pay $8.00 for 4 ounces of it in a fancy brushed Aluminum pump bottle. Same with a lot of these "Gun Greases".

Go into any auto parts store and you can buy a large tube of Moly Grease that will last the average shooter a lifetime for a couple of bucks. It's as good, or better than these miracle gun greases they sell for over $10.00 for a 1/4 ounce! An even better product is the Mobil 1 Synthetic Grease. It comes in a 1 pound tub for around $6.00.

If you like the fancy hypo type applicator, you can get one at Walgreens, CVS, Rite Aid, or most any other drug store for around .25 to .50 cents, and it's refillable too boot.

Mobil 1 can be tailored to your climate just as you would if you used it in your car. If you shoot or hunt in very frigid climate it comes in a 0W-20 grade that won't stiffen up in cold weather. Here in Arizona we don't get much cold weather, but in the Summer it can get blistering hot so I use the 10W-40 or the 20W-50 grade. It has a nice viscosity that won't run off metal and dry up in a few days like some of these water thin gun oils like "Rem-Oil" will. Mobil 1 Synthetic Gear Lube has an even higher viscosity that works well on guns that tend to be run at higher temperatures like AR-15's and AK-47's. It comes in a 75W-140 Grade.

ATF is a very clean non gumming lubricant that works well for lubricating semi autos and fast moving parts like slides and even trigger mechanisms. I'm not a believer of these so called "dry lubes". 47 years of shooting has taught me one very simple fact. If I can see oil on my firearms, I know I won't be seeing any rust.

All 3 of these products can be purchased at any auto parts store for around $20.00, and will last the average shooter for years, if not a lifetime. I won't overpay for these gun lubes that do nothing better except make you poorer.
 

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I have 3 quarts of slik50 I bought at an auction I'll have to start using them on my ARs.
 

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I know persons that work in the weapons development compartment of L3 L-3 Communications and all they run is concoctions of Mobile 1.
 

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I've used it quite a bit with no ill effect. I'll second the ATF as well. I've been a gearhead for decades and always have plenty of automotive lubes around.

I have a little bit of CLP around and some light Hoppe's oil that I use for barrel/receiver pre-storage wipe downs, but use synthetic motor oil for most of the rest.
 

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+1 on Mobil 1 synthetic. All I ever use and will use. I don't believe in fear selling tactics. I use wd40 to lube and clean my motorcycle chains, lasts longer and cost less than motorcycle specific chain oil. 3 bikes not one problem with rusting or premature chain wear (my Chain always look new).
Back to the topic at hand. I got to xdsc's 40 and 9 and the both have only seen Mobil 1 since new. Not one problem with either of them. Oil has always been more about preference than most Other factors, todays sythetics are really good stuff. Buy what you like, but understand what you are using and why you bought it.
 

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Yep, Mobil 1 gear oil for me. Have used it on everything from .308 AR to .223 AR to 1911 and my XDm 5.25. I've not had a problem and more money for ammo.
 

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my gun oil is a mixture or royal purple motor oil, royal purple maxfilm, royal purple gun oil, and a Very small amount of royal purple grease. Shake it up everytime before i use it. I switched to frog lube once, And had wear marks on my AR. I had no wear before I switched over.

can you tell im a royal purple fan boy.
 

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I use Mobil-1 on my XDms and my 1911.

Gonna give it a try on the AR.
 

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Just broke out a quart of slik50 and I can tell you my mossy 500 cycles like butter with it so does my AR.
 

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Going to have to try the Mobil 1 on my guns. I've been running it in my autos the last 15 years or so, so I've always got some. Thanks for the info & links.
 

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Discussion Starter #19
The grant cunningham article was a nice read, and I'm interested in the oil and grease. Question, has anyone actually used either and where did you find it? Lubriplate don't list either on the online store.
 

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Going to have to give this a try! I bet it will last longer than the spray on RemOil I use......


Do you guys wipe it down, or leave a thin film? Don't want a big oil stain in my front right pocket lol
 
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