excessive headspace

[Gil Martin]

Resizing cases so they just chamber with a slight bit of resistance should work out just fine. Major Nonte wrote about this situation and the ability to correct for excessive headspace by partially resizing cases. Headspace has to be pretty bad to cause serious problems. However, it should be addressed and setting the barrel back and rechambering might be the best option. A competent gunsmith should be able to advise you. All the best...
Gil