I'd keep using it as long as it works. But I'd also have a spare. You can get cheap used ones from RobertRTG parts.
Edit: Oops, maybe you can't. But I'd still keep using the POF part. Some of the POF parts are very good or identical to the HK stuff.
I noticed that my PTR91KP has a POF G3 bolt head. Should I replace this part with an original HK? So far it has function well with about 1000 rds. Any thoughts?
I'd keep using it as long as it works. But I'd also have a spare. You can get cheap used ones from RobertRTG parts.
Edit: Oops, maybe you can't. But I'd still keep using the POF part. Some of the POF parts are very good or identical to the HK stuff.
"Sometimes change sucks."- Anne Frank
Reloading: A low impact exercise with a high impact payoff.
Take your wife or GF to the range more. If you want her to get the bug, you've got to expose her to the disease.