Motor Oil for Small Arms Lubricant

Used some 5w30 I had stashed in my truck on my Cooey once. Worked like a charm. I'll even use lip-balm on the bolt for that beast if it's all i can scrounge. If my 1911 didn't run like a dream when it's dirty, I'd probably put a few drops of it in the slide rails :)
 
News flash. Firearm lubricants are petroleum products just like motor oil. Did you really think that firearms lubricants were manufactured at "special" refineries? On a side note, oil sucks. Grease is far superior.

TDC
 
Grease for slide rails for sure in the Summer, oil in the winter. Motor oil works fine, but stinks like hell. Transmission fluid works well too and doesn't smell as bad. Synthetic is better still ;)
 
I have this old oil can of my dads that I use for lubricating almost ;) anything.

Do I know what's in it? Hell no. The last time I filled it, I probably used 10W30 motor oil.

And that good ol' motor oil seems to work on everything....
 
Sure, it's going to work. Any oil or grease can work pretty well for that matter, and is certainly better than no lubricant at all. But pretending that all oils are the same is, well, silly.

I like FP-10. Works for me and is designed for guns by people who know the science of lubrication much better than I do. Can I save a few cents using motor oil instead? Maybe, but why take the chance? I'm cheap. I'm not that cheap, and neither are my guns.
 
When I qualified on the C5 (Browning 1919 I believe), they jammed up alot. So we ran them with 10W30. Fire a burst and your sitting in a ball of smoke.
For record it was the gun coach's plan.
 
L Frame said:
I use Mobil 1 15W-50 synthetic on all my firearms. Works like a charm on all actions and rails.

Harley
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How thick is this stuff? Does it spray off like Break Free CLP all over my shooting glasses? If it stays on the gun, I'm gonna try it.
 
Hitzy said:
Grease for slide rails for sure in the Summer, oil in the winter. Motor oil works fine, but stinks like hell. Transmission fluid works well too and doesn't smell as bad. Synthetic is better still ;)
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If you use good grease it works just fine in winter as well.

TDC
 
For me nothing works better than Amsoil Synthetic Dexron tranny oil. I used it on actions and to wipe down all the metal parts to keep it from rusting. It stinks terribly though but at least I know my guns are well protected.

I once bought a pack of refills for inkjet cartridges. These were smallish soft plastic bottles with long needle attached. I dumped the dye, washed them and then filled them with Amsoil synthetic tranny fluid. That long needle will reach anywhere in the gun and because it is small thin, you won't spill of over lubricate. A drop here, a drop there, works like a charm.
 
I bought a quart of Castrol Syntec ATF about 5 years ago... I still have 3/4 of the bottle left to go. At this rate, I'm going to have buy at least 2 more in my lifetime if I want to keep using synthetic ATF as gun oil! :D
 
Lots of poor man's armies & jungle guerrilla forces use 10W30 as gun oil & diesel as bore cleaner.
 
I'm surprised no one mentioned "Beaver Fat" and "KY"....with the amount of high quality lubricants on the market, running from just $2.00 to $10.00, the only reason I could see for slapping on the motor oil would have to be sheer necessity. If 10/30 worked better than commercial products, I would assume it would be standard with most military and police units around the world. Let the conspiracy theories begin....
 
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