The pin holes in the plating are common on replated barrels

The holes are bigger than pinholes.
I have 2 used and 2 replated, here, no holes in the Nikasil.

Well even the goo indicates its a replated and not new, as he advertised it.

I also wonder what was used for making the o-ring groove. A file ?
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Poul
"If Life Gets Boring, Risk It!"
MC21SE, KISS box
MC21SP, HRC box, racing loom