I bought lot 222, a J. Burrows hammered shotgun almost 6 years ago. The gun had been re-stocked and probably in 2000 the chambers were lengthened to 2 3/4" and re-proofed for nitro at the Birmingham Proof House. Other then replacing the 2 screws that hold the hammers on, I haven;t had to do anything else. So if you are patient and willing to accept some compromises (re-stocked and a Jones under lever) one can still find a hammer gun at a reasonable price that is shoot-able with modern ammo.



Link: https://poulinantiques.hibid.com/catalog/78419/summer-firearms-auction-june-18--2016/?cpage=5

I have become addicted to English hammered shotguns to the detriment of my wallet.