I use T/C 1000+ Bore Butter extensively. At one time I found a case of it at a going-out-of-business sale, and have since used the entire case. I watch for it on sale in every shop I visit.

I've never tried to use it from the tube in freezing temperatures, as I cut and lube my patches in advance. The cut patches are placed on a tray made of doubled aluminum foil. A generous dollop of Bore Butter is placed on them, and the tray warmed in a 200 F oven. Once the lube has melted, fold the tray closed and compress between the hands to more evenly distribute the lube. If they are kept in a warm home overnight, they will be found to be uniformly lubed the next day. The aluminum foil serves as a storage container as they are used.

I’ve used patches so lubed in temperatures as low as 0 F, and have had no problems whatsoever. I can’t say that T/C 1000+ Bore Butter is the best of the muzzle-loading patch and cleaning lubricants, as I have not used all the rest to compare them. It has worked perfectly for so many years that I see no need to try another.

Take care, Tom