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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Introducing the Absolute Hammer
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<blockquote data-quote="25WSM" data-source="post: 1989519" data-attributes="member: 38048"><p>I think you got the idea. But start pressure is relatively small compared to the charge pressure. Sometimes a little starting pressure can help ignition and lower your sd. That's why I started to jam the bullet ever so slightly. I will probably bring it off the rifling and check the sd to see if it's even needed. These bullets are very hard to jam. I'd rather not have to push on them so hard to close the bolt if I don't have to. My 140s and 147s should see a nice bump in speed now too. Plus everything will fit in my mag box better. The gap4 reamer had a pretty short throat on it and I had lots of room left. I bumped it out another .075 after measurements of all my loads. I'm running an extended wyatt box. </p><p>Shep</p></blockquote><p></p>
[QUOTE="25WSM, post: 1989519, member: 38048"] I think you got the idea. But start pressure is relatively small compared to the charge pressure. Sometimes a little starting pressure can help ignition and lower your sd. That's why I started to jam the bullet ever so slightly. I will probably bring it off the rifling and check the sd to see if it's even needed. These bullets are very hard to jam. I'd rather not have to push on them so hard to close the bolt if I don't have to. My 140s and 147s should see a nice bump in speed now too. Plus everything will fit in my mag box better. The gap4 reamer had a pretty short throat on it and I had lots of room left. I bumped it out another .075 after measurements of all my loads. I'm running an extended wyatt box. Shep [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Introducing the Absolute Hammer
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