how permanent do you want it? you could get some blue loctite and put a drop onm the threads,tighten it down and let it set for 24 hours.you will be able to get it loose later on but itll take more monkeying around.I doubt it would shoot loose.the red loctite is stronger but requires a torch to heat it up to remove.I use the blue stuff on all my guns.scope mounts,rings,anything that has threads that I want to remain snug...just be sure to clean the threads good,use degreaser and rubbing alcohol to wipe it off then apply the loctite.check with your local auto parts store and ask the clerk for the blue loctite rthat can be removed with hand tools.