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belted cartridges
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<blockquote data-quote="jarnold37" data-source="post: 1675726" data-attributes="member: 29241"><p>In a rifle with a "perfect chamber" the belt is somewhat insignificant due to the fact that the chamber isn't fat at the back. Many lathes people are using today have a tailstock center that is at least 2 thousanths high. Most lathes come that way as everyday wear lets the tailstock wear into true center. Take the chamber that is reamed with a center that is 2" high and the result is a chamber that is 4 thousands big at the back of the chamber. Yes, right where the belt is. I had my tailstock ground to 7 tenths high and it will still ream a little fat at the back. The belt will swell if you have a fat chamber and resizing dies will crack trying to size that belt even neck sizing. Even with a "trued" tailstock I had problems cutting belted magnum chambers with them being big allowing the belt to swell and be big also. And it does seem to add difficulty to sizing down at web area as it is somewhat protected from that good for nothing belt. I switched and now use a floating reamer holder which counter acts the misalignment of the tailstock to some degree.</p></blockquote><p></p>
[QUOTE="jarnold37, post: 1675726, member: 29241"] In a rifle with a "perfect chamber" the belt is somewhat insignificant due to the fact that the chamber isn't fat at the back. Many lathes people are using today have a tailstock center that is at least 2 thousanths high. Most lathes come that way as everyday wear lets the tailstock wear into true center. Take the chamber that is reamed with a center that is 2" high and the result is a chamber that is 4 thousands big at the back of the chamber. Yes, right where the belt is. I had my tailstock ground to 7 tenths high and it will still ream a little fat at the back. The belt will swell if you have a fat chamber and resizing dies will crack trying to size that belt even neck sizing. Even with a "trued" tailstock I had problems cutting belted magnum chambers with them being big allowing the belt to swell and be big also. And it does seem to add difficulty to sizing down at web area as it is somewhat protected from that good for nothing belt. I switched and now use a floating reamer holder which counter acts the misalignment of the tailstock to some degree. [/QUOTE]
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