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Old January 24, 2014, 06:49 PM   #32
F. Guffey
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Join Date: July 18, 2008
Posts: 7,249
Loud, very good, case head protrusion for the Mauser 98 type is .110" +/- in the normal world. You have .090, +/- a little.

The .090" case head protrusion would give you .020" head space, the normal .110" case head protrusion would give you .005" If we are talking about the difference in the length of the chamber from the shoulder to the bolt face and the difference in length between the length of the case from the shoulder to the case head.

I understand you did not do the work, I would have checked the length of the chamber from the shoulder of the chamber to the bolt face before removing the barrel, I would then have measure case head protrusion from the barrel to the case head, then I would have measured from the C/torque ring to the bolt face.

From the three measurements I would have enough information to ream the chamber first and have a chamber that would be very close to being ..001" shorter than a go gage.

F, Guffey

Last edited by F. Guffey; January 24, 2014 at 11:47 PM. Reason: remove e
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