great info. i saw wd-40 gum up gun with varnish, i seen it evaporate and i saw it NOT lubricate.i was disturbed on the SHEATH .thought it was better than that. as for BREAK-FREE.its all i used after seeing guys with 3,000 dollar shotguns shooting clay birds.its all they use.some of others, like wd-40 will eat up any rubber or neoperien gaskets in your gun. it happened to me.BREAK -FREE does not attrack dirt, sheath and others do.at range the ONLY cleaner,luber, protector i see is BREAK-FREE.it will not eat up your gaskets in your gun .