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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma Mag (Standard Version)
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<blockquote data-quote="7.62 Gunner" data-source="post: 2649013" data-attributes="member: 121641"><p>Appreciate it</p><p>I've read through that thread and it's good stuff.</p><p>I've worked with Manson in the past with improved reamers, while I appreciate what Wheeler and others have done, I really don't get all the variations of 32, 35, 37, and even 35 with the shoulder bumped forward..</p><p> I know reliable feeding from a BDL setup is the focus of those designs, but I'm going center feed and 40 degrees requires almost 0 trimming while 35 needs it every 5-6 firings.</p><p></p><p>It's pretty simple to have a reamer and dies designed correctly, in this case I'm designing everything around lapua brass which is .006 shorter than Norma, add a .004 crush fit for fireforming and it's .010 shorter than CIP length.</p><p>I'm adding .005 clearance above the web to avoid clickers, .005 neck clearance, and throating it for 225s .025 above the neck shoulder junction</p></blockquote><p></p>
[QUOTE="7.62 Gunner, post: 2649013, member: 121641"] Appreciate it I've read through that thread and it's good stuff. I've worked with Manson in the past with improved reamers, while I appreciate what Wheeler and others have done, I really don't get all the variations of 32, 35, 37, and even 35 with the shoulder bumped forward.. I know reliable feeding from a BDL setup is the focus of those designs, but I'm going center feed and 40 degrees requires almost 0 trimming while 35 needs it every 5-6 firings. It's pretty simple to have a reamer and dies designed correctly, in this case I'm designing everything around lapua brass which is .006 shorter than Norma, add a .004 crush fit for fireforming and it's .010 shorter than CIP length. I'm adding .005 clearance above the web to avoid clickers, .005 neck clearance, and throating it for 225s .025 above the neck shoulder junction [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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300 Norma Mag (Standard Version)
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