[dw1911]

Originally Posted by DrHenley

I used straight Wilson Ultima-Lube until one cold day at an IDPA match my slide slowed down so much you could watch it cycle and was jamming like crazy.
Now I use a thin base layer of the Ultima-Lube, but use Mobil1 on top of it. I have also mixed the Ultima-Lube with Mobil1. On some guns I just use straight Mobil1.

Which Ultima Lube? There's different viscositys of it. There's Lite OIL, ( VeryThin) Oil ( Thin)
Universal ( Thicker) and Grease ( Like 50 wt )
I Like 2 drops on each rail of Universal in warm weather ( Above 60 degrees )
Below that, Oil. Thin stuff. Or sometimes if colder I use FP-10.
Ultima-Lube II is Available in Four Formulations:

Ultima-Lube II Lite Oil - Very low viscosity. Ideal for extreme cold weather use. Recommended Uses: Tightly fitted handguns of minor caliber.

Ultima-Lube II Oil - Thin viscosity penetrates hard to get to areas. Ideal for cold weather use, 10° to 350° F temperature range. Recommended Uses: Tightly fitted handguns of all types.

Ultima-Lube II Universal - All purpose lube for all types of firearms. Stays put under extreme conditions, 40° to 350° F temperature range. Recommended Uses: Service pistols/revolvers and broken-in custom handguns, Long guns of all action types, AR style rifles in the 20° to 50° F temperature range.

Ultima-Lube II Grease - Ideal for heavy wear areas. Stays put under extreme conditions, 40° to 350° F temperature range. Recommended Uses: Full and Semi-Auto rifles and carbines, Optimal in AR style rifles at temperatures above 50° F.