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Favorite bedding compounds
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<blockquote data-quote="jarnold37" data-source="post: 1945917" data-attributes="member: 29241"><p>I have chambered several barrels and have tried to "true up" my lathe and have had by tailstock ground as it was over 2 thousands high. It still is a worry of a fat chamber which is very obvious with a pin guage. To me a shop that uses pin guage shows their attention to a good chamber. I think many chamber jobs do have big chambers and even though the throat is dialed to zero runout the chamber allows the brass to swell at the back near the web. With belted cartridges the belt will swell. I have reamers and two new barrels but am reluctant to "ruin" a chamber being even two thousands big at the chamber mouth. I feel that the tailstock is the enemy as even zeroed tailstock changes as the barrel is extended.</p></blockquote><p></p>
[QUOTE="jarnold37, post: 1945917, member: 29241"] I have chambered several barrels and have tried to "true up" my lathe and have had by tailstock ground as it was over 2 thousands high. It still is a worry of a fat chamber which is very obvious with a pin guage. To me a shop that uses pin guage shows their attention to a good chamber. I think many chamber jobs do have big chambers and even though the throat is dialed to zero runout the chamber allows the brass to swell at the back near the web. With belted cartridges the belt will swell. I have reamers and two new barrels but am reluctant to "ruin" a chamber being even two thousands big at the chamber mouth. I feel that the tailstock is the enemy as even zeroed tailstock changes as the barrel is extended. [/QUOTE]
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