Buyers beware. You know you have problems with a barrel maker when they say, they use Krieger bore and groove dimensions and then under closer examination realize they actually errored.
In 7mm, Krieger uses .277/.284 (typical standard). Custom barrel maker was using a .276" reamer......
Quality producers typically stamp bore and groove dimensions on the breech end of the barrel. This would typically be confirmed by the smith prior to machining.....or not...lol.
Fortunately to date, no one has died.
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