Bought a near mint 70s era Interarms Luger P08 as a shooter. Would like to adjust the

[HerrKaiser]

While true, we also find old cars and planes from WW2 that are still boxes that were buried in a warehouse and get them running, and many are fairly well preserved as found.

Anecdotally I have seen many collectors who do shoot their pieces on occasion and so long as they properly clean and maintain the guns, they have had little issue with depreciation and by all accounts they are extremely well preserved items.