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Rifles, Reloading, Optics, Equipment
Reloading
Bullet Seating Runout
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<blockquote data-quote="mtJim" data-source="post: 2603132" data-attributes="member: 121886"><p>Recently did some barrel break in and load development on a new barrel chambered in 270 Weatherby. Annealed all brass after 3-4 firings, and fully prepped to prepare for loading all to final load from development. Loading Absolute Hammers and didn't notice anything out of the ordinary during load development. However, when seating bullets in latest prepped brass, there is a noticeable stick in the press when raising the press handle from fully lowered position. There is also an audible click as the handle is first raised. There is .008-.010 runout measured on the ogive of the loaded round. The brass itself measures around .002 on the end of the neck near the mouth. A partially seated bullet measures .002 runout and will maintain this all the way until the press handle reaches fully lowered position, where it jumps to .008 - .010 when extracted from the seating die. This is also with two different seating stems - redding seating die. One of the stems is the standard that come in the die, the other is the redding micrometer replacement. Have also tried polishing the standard stem with the bullet and lapping compound, with no improvement.</p><p>Is more polishing needed? Any other suggestions?</p></blockquote><p></p>
[QUOTE="mtJim, post: 2603132, member: 121886"] Recently did some barrel break in and load development on a new barrel chambered in 270 Weatherby. Annealed all brass after 3-4 firings, and fully prepped to prepare for loading all to final load from development. Loading Absolute Hammers and didn’t notice anything out of the ordinary during load development. However, when seating bullets in latest prepped brass, there is a noticeable stick in the press when raising the press handle from fully lowered position. There is also an audible click as the handle is first raised. There is .008-.010 runout measured on the ogive of the loaded round. The brass itself measures around .002 on the end of the neck near the mouth. A partially seated bullet measures .002 runout and will maintain this all the way until the press handle reaches fully lowered position, where it jumps to .008 - .010 when extracted from the seating die. This is also with two different seating stems - redding seating die. One of the stems is the standard that come in the die, the other is the redding micrometer replacement. Have also tried polishing the standard stem with the bullet and lapping compound, with no improvement. Is more polishing needed? Any other suggestions? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bullet Seating Runout
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