I am shooting cartridge rifles so will see how it goes, am at work at present so see what the consistancy I can add more oil to loosen it up if needed. I use natural cork flooring tiles, lubed, for my 12g but beer mats sound like a good suggestion. I have a .58 Enfield muzzle loader but always find Im swabbing it out even with that cal, the cartridge guns I put thru 30 rounds without cleaning with no loss of accuracy.
Good thing with BP it the experimenting, just working to load a 12G sxs sleeved to .55 cal and chambered in 28G thats proving to be a challeng
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