Thanks for all the great advice! When I'm going to be using my rifle for an extended period of time (e.g. deer season), I do the dry patch/fouling shot(s). I was looking for a solution for when the coyote is walking across the field & I grab the rifle out of the gun safe. I'm thinking of trying the lightly oiled patch followed by a dry patch first.
Strangers in the night exchanging tracers.