Dick Grosbier
Club Coordinator
I have 100 cases that have been turned to .324 from a .330 neck. Will these cases have split necks from firing with the greater neck expansion? I hate to discard 100 Lapua cases.
Getting back to your actual question, these cases should work fine if properly sized (probably need a smaller bushing than your newer cases) but just may not last as long as they are being expanded and contracted more than necessary. I am assuming they are unfired. If they have been fired in another rifle your problem may be the base of the case not the neck.
Dick