I've got Ballistol, G96 and Kroil. Also Hoppe's solvent. Usually have all four those, plus some MPro7, around.
They all work.
Gotta admit, though, when I just want a drop of lube, I fairly often grab the Mobil 1.
For a grease, I'm partial to Lubriplate SFL-0 the majority of the time, but if I...