I did make up some of this for my 1911. Maybe I should lube the mag tube with it.
Slick Stuff
This very "oily", (i.e. slick, greasy) lubricant appears to adhere very well to metal, with little or no creep. Thus it does not appear to drain from slides and parts during extended storage. From the formula it appears that it might not be suitable at very low temperatures.
2 parts Dexron II or III automatic transmission fluid
1 Part Mobil-1 Synthetic Oil, 30 weight, or 10W-30
1 Part STP Oil Treatment (the stuff for "old" cars w/ over 30,000 mi.)