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Rifles, Reloading, Optics, Equipment
Reloading
Redding Micrometer Seating Stem on Lee or RCBS
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<blockquote data-quote="SidecarFlip" data-source="post: 1109309" data-attributes="member: 39764"><p>Got to be careful with no jump far as powder content is concerned. When the propellant first ignites, it pressurizes the case and with no jump, the pill cannot move freely so pressure increases way past what the case with wirhstand (if you load full house) Thats what jump is about, letting the pill move out of the neck and the initial pressure spike to recede.</p><p> </p><p>Interestingly, with Berger 168 30 cal VLD hunters in my 2 308's 0.012 yield the best groups too.</p><p> </p><p>I tend to caution newbies not to start with bergers and especially discount the chapters on case fill as it relates to jump (in the Berger reloading manual) If you are inexperienced.</p><p> </p><p>Esperience has also taught me to only use bushing dies when trloading. I can dontrol the initial movement and integrity of a round in your pocket by altering the resistance the neck imparts to the pill.</p><p> </p><p>I machine my own bushings btw. You can make a ton of bushings from a stick of drill rod.</p></blockquote><p></p>
[QUOTE="SidecarFlip, post: 1109309, member: 39764"] Got to be careful with no jump far as powder content is concerned. When the propellant first ignites, it pressurizes the case and with no jump, the pill cannot move freely so pressure increases way past what the case with wirhstand (if you load full house) Thats what jump is about, letting the pill move out of the neck and the initial pressure spike to recede. Interestingly, with Berger 168 30 cal VLD hunters in my 2 308's 0.012 yield the best groups too. I tend to caution newbies not to start with bergers and especially discount the chapters on case fill as it relates to jump (in the Berger reloading manual) If you are inexperienced. Esperience has also taught me to only use bushing dies when trloading. I can dontrol the initial movement and integrity of a round in your pocket by altering the resistance the neck imparts to the pill. I machine my own bushings btw. You can make a ton of bushings from a stick of drill rod. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Redding Micrometer Seating Stem on Lee or RCBS
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