Do what makes you feel comfortable but my son has one of the first performance center 500 jrh?s made and whitworth has two with more rounds than any other besides my son?s and they have never loosened. They both shoot rounds thru it with loads whose recoil is far beyond that of any factory or recommended lod data in existence. Its never come loose. We also have a bfr 454 that is about 12 years old and has had many thousands of rounds down it and it has never loosened. Just fyi