I have a minty K-31 I bought a few years ago for top dollar as it was described as having a "10/10 bore". I finally sprung for a bore scope, cleaned it to bare metal AND it's more like a 6/10, having throat erosion and pitting in the first 12". I have read that K-31s can be rebarrelld by cutting off the breech end of the barrel and rethreading it for the new bbl. OR finding a new K-31 bbl. Have no idea who does this work. Appreciate suggestions.
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