Okie-
I also have Leupold QR base and rings on my Prohunter muzzleloader. I have not experienced a problem with this setup. As a side note, I contacted Leupold just yesterday regarding another setup I'm putting together and they do not recommend using Loctite with their products since they use Torx hardware.The torx screws should be torqued at 20-23 lbs. That's what I was told by their tech support. Good luck with your new setup!