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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

DarylS
.700 member

Reged: 10/08/05
Posts: 27014
Loc: Beautiful British Columbia, Ca...

Re: Problem with A Square Rifle
01/12/08 04:52 AM

As chambering reamers are used, they require re-sharpening. Sometimes the last few rifles are cut with very small chambers as a result of reamers being sharpened one to many times.
OK - there are minimun and maximum tolerances from reamer produces, rifle makers, SAAMI and die manufacturers. At times a few tousanths of difference can cause problems. This is what happens.

If you have reloading DIES cut with a NEW reamer (long die chamber) and a rifle CHAMBER cut an OLD one (short rifle chamber), the die might not be able to shove the case shoulder back far enough to allow the case to chamber in the rifle. It happens more often than one would believe.

Shaving a tich off the bottom of the dies, will allow them to shove the shoudler back far enough to allow the dies to size the case to fit the rifle's chamber. It's an easy fix and one I've done several times. No big deal.

The big problem comes when a guy buys short dies and has a long chamber. He then can push the shoulder back far enough to creat excessive headspace. This happens mostly with old green box dies.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Entire topic
Subject	Posted by	Posted on
Problem with A Square Rifle	bigdog	29/11/08 05:15 PM
Re: Problem with A Square Rifle	Ndumo	30/11/08 01:03 AM
Re: Problem with A Square Rifle	bigdog	30/11/08 04:10 PM
Re: Problem with A Square Rifle	500Nitro	30/11/08 04:18 PM
Re: Problem with A Square Rifle	bigdog	30/11/08 08:12 PM
Re: Problem with A Square Rifle	500Nitro	30/11/08 09:29 PM
Re: Problem with A Square Rifle	450_366	30/11/08 10:21 PM
Re: Problem with A Square Rifle	bigdog	01/12/08 03:39 AM
Re: Problem with A Square Rifle	DarylS	01/12/08 04:52 AM
Re: Problem with A Square Rifle	DarylS	29/11/08 06:08 PM
Re: Problem with A Square Rifle	500Nitro	29/11/08 06:40 PM
Re: Problem with A Square Rifle	Tatume	29/11/08 11:44 PM

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