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Have you removed the chassis from the stock?

Was this barrel supplied with the stock? I'd be keen to get the studs re-made and locked into the barrel. It would suck to have the stock "nuts" strip out or gall the other barrels.

Never seen the pillar come free on any barrel I have or other. Have you searched any of the Blaser forums? There may be better info there.
The threads on the one in the barrel looks worse than the...