Question for gunsmith/barrel maker oversized chamber?

[jdmecomber]

We have a customer that had a proof research barrel done.

We have found that his chamber is .005 at the base over Sammi chamber specs . 003 about mid case over specs and correct at the shoulder.

I am pretty sure in the barrel world we are talking .0004 tolerances not .005??

We are thinking custom die so we don't overwork the brass.

Anyone have any thoughts on this?

 

[Jburr]

If proof chambered it I would call them

 

[jdmecomber]

If proof chambered it I would call them

They did not.

 

[jdmecomber]

They did not.

I have some answers from a Benchmark gunsmith. The short of it. The situation is not ideal and brass life is going to be shortened. He spoke about they a true bore barrel alignment system that has taken care of runout in the chamber. We will watch his brass life and obtain a custom die. It's shooting so well he doesn't want the confrontation with the gunsmith. I can say I would want a new barrel if it was me.