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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Custom action pressure ceiling.
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<blockquote data-quote="Mikecr" data-source="post: 375253" data-attributes="member: 1521"><p>I'll add a few things..</p><p>-For someone really good with QuickLoad, velocities and pressures can be predicted close enough. But it's like ballistic software, in that most reloaders are ill prepared to apply correct inputs.</p><p>You can take formed brass in-hand and measure it's H20 capacity. Then load in a cartridge of your caliber with same capacity. Run the what-ifs on it, validate with loads posted at ReloadersNest. Then when it's time to shoot, you work up from safe over a chronograph, to see your expected velocities -or a problem otherwise. </p><p></p><p>-Brass brand don't mean diddly. Lapua has not invented stronger brass or anything like that. It'll provide plenty of pressure signs as you go up.</p><p></p><p>-There is something to the mentioned requirement for enough barrel steel around your chamber. Those who chambered 'fat' cartridges in smaller diameter tennons are learning this lesson, with difficult extraction below the cartridge's potential.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 375253, member: 1521"] I'll add a few things.. -For someone really good with QuickLoad, velocities and pressures can be predicted close enough. But it's like ballistic software, in that most reloaders are ill prepared to apply correct inputs. You can take formed brass in-hand and measure it's H20 capacity. Then load in a cartridge of your caliber with same capacity. Run the what-ifs on it, validate with loads posted at ReloadersNest. Then when it's time to shoot, you work up from safe over a chronograph, to see your expected velocities -or a problem otherwise. -Brass brand don't mean diddly. Lapua has not invented stronger brass or anything like that. It'll provide plenty of pressure signs as you go up. -There is something to the mentioned requirement for enough barrel steel around your chamber. Those who chambered 'fat' cartridges in smaller diameter tennons are learning this lesson, with difficult extraction below the cartridge's potential. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Custom action pressure ceiling.
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