Gary L. Griffiths ....you could have your local PD run the serial #s of guns you acquire through NCIC to see if they've been reported stolen.
While you might find a LEO who would do this- it violates NCIC policy and that officer would have his access to NCIC revoked.
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Plano, Texas...........the Gun Nut Capitol of Gun Culture, USA https://www.youtube.com/watch?v=pELwCqz2JfE