i been using synthetic trainsmission fluid .to lube my black powder rifles. this works great and if mixed 6to1 r 6to 2 with colman fuel makes a great patch lube and doe s any one have any thoughts on bore seasoning personaly i think it is wishfull thinking if u use lard bore butter r any thing else like it then clean with hot soapy water your going to clean back down to the metal most guys use dish washing soap and this stuff is made to cut grease well that the nice thing about muzzle loading everone has a dime to spend and now im broke like to hear some coments