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Rifles, Reloading, Optics, Equipment
Reloading
Primer difference
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<blockquote data-quote="Mmac52280" data-source="post: 2432137" data-attributes="member: 120230"><p>I'm only asking about pressure changes. From Hogdon's load data sight. And typically they use a given primer with a given powder, like Ramshot powder uses Winchester primers, Winchester powder uses Federal primers in rifle loads. How fast powder is ignited will change how it performs. Not just velocity, but accuracy too. I lack the experience most of you have, so I read and ask questions. I recently emailed a bullet manufacturer on their load data as they didn't identify the primer used in their loads. Crickets....</p><p></p><p>BULLET WEIGHT</p><p>124 GR. HDY XTP</p><p>CASE</p><p>WINCHESTER</p><p>PRIMER</p><p>CCI 500, SMALL PISTOL</p><p></p><table style='width: 100%'><tr><td></td><td>Starting Load</td><td></td><td>Maximum Loads</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><th>Manufacturer</th><th>Powder</th><th></th><th>Bullet Diam.</th><th>C.O.L</th><th></th><th>Grs.</th><th>Vel. (ft/s)</th><th>Pressure</th><th></th><th>Grs.</th><th>Vel. (ft/s)</th><th>Pressure</th></tr><tr><td></td><td>Ramshot</td><td>Silhouette</td><td><a href="https://shop.hodgdon.com/product/160" target="_blank">OUT OF STOCK</a></td><td>0.355"</td><td>1.060"</td><td></td><td>4.7</td><td>994</td><td>25,600 PSI</td><td></td><td>5.3</td><td>1,116</td><td>33,300 PSI</td></tr></table><p>BULLET WEIGHT</p><p>124 GR. HDY XTP</p><p>CASE</p><p>WINCHESTER</p><p>PRIMER</p><p>WINCHESTER SP, SMALL PISTOL</p><p></p><table style='width: 100%'><tr><td></td><td>Starting Load</td><td></td><td>Maximum Loads</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th></th><th>Manufacturer</th><th>Powder</th><th></th><th>Bullet Diam.</th><th>C.O.L</th><th></th><th>Grs.</th><th>Vel. (ft/s)</th><th>Pressure</th><th></th><th>Grs.</th><th>Vel. (ft/s)</th><th>Pressure</th><th></th></tr><tr><td></td><td>Ramshot</td><td>Silhouette</td><td><a href="https://shop.hodgdon.com/product/160" target="_blank">OUT OF STOCK</a></td><td>0.355"</td><td>1.060"</td><td></td><td>4.6</td><td>945</td><td>29,700 PSI</td><td></td><td>5.4</td><td>1,072</td><td>34,900 PSI</td><td></td></tr></table><p>Identical on everything EXCEPT the primer, and a starting pressure change over 4,000 psi. Note the lower pressure returned higher velocity.</p></blockquote><p></p>
[QUOTE="Mmac52280, post: 2432137, member: 120230"] I'm only asking about pressure changes. From Hogdon's load data sight. And typically they use a given primer with a given powder, like Ramshot powder uses Winchester primers, Winchester powder uses Federal primers in rifle loads. How fast powder is ignited will change how it performs. Not just velocity, but accuracy too. I lack the experience most of you have, so I read and ask questions. I recently emailed a bullet manufacturer on their load data as they didn't identify the primer used in their loads. Crickets.... BULLET WEIGHT 124 GR. HDY XTP CASE WINCHESTER PRIMER CCI 500, SMALL PISTOL [TABLE] [TR] [TD][/TD] [TD]Starting Load[/TD] [TD][/TD] [TD]Maximum Loads[/TD] [/TR] [TR] [TH][/TH] [TH]Manufacturer[/TH] [TH]Powder[/TH] [TH][/TH] [TH]Bullet Diam.[/TH] [TH]C.O.L[/TH] [TH][/TH] [TH]Grs.[/TH] [TH]Vel. (ft/s)[/TH] [TH]Pressure[/TH] [TH][/TH] [TH]Grs.[/TH] [TH]Vel. (ft/s)[/TH] [TH]Pressure[/TH] [/TR] [TR] [TD][/TD] [TD]Ramshot[/TD] [TD]Silhouette[/TD] [TD][URL='https://shop.hodgdon.com/product/160']OUT OF STOCK[/URL][/TD] [TD]0.355"[/TD] [TD]1.060"[/TD] [TD][/TD] [TD]4.7[/TD] [TD]994[/TD] [TD]25,600 PSI[/TD] [TD][/TD] [TD]5.3[/TD] [TD]1,116[/TD] [TD]33,300 PSI[/TD] [/TR] [/TABLE] BULLET WEIGHT 124 GR. HDY XTP CASE WINCHESTER PRIMER WINCHESTER SP, SMALL PISTOL [TABLE] [TR] [TD][/TD] [TD]Starting Load[/TD] [TD][/TD] [TD]Maximum Loads[/TD] [/TR] [TR] [TH][/TH] [TH]Manufacturer[/TH] [TH]Powder[/TH] [TH][/TH] [TH]Bullet Diam.[/TH] [TH]C.O.L[/TH] [TH][/TH] [TH]Grs.[/TH] [TH]Vel. (ft/s)[/TH] [TH]Pressure[/TH] [TH][/TH] [TH]Grs.[/TH] [TH]Vel. (ft/s)[/TH] [TH]Pressure[/TH] [/TR] [TR] [TD][/TD] [TD]Ramshot[/TD] [TD]Silhouette[/TD] [TD][URL='https://shop.hodgdon.com/product/160']OUT OF STOCK[/URL][/TD] [TD]0.355"[/TD] [TD]1.060"[/TD] [TD][/TD] [TD]4.6[/TD] [TD]945[/TD] [TD]29,700 PSI[/TD] [TD][/TD] [TD]5.4[/TD] [TD]1,072[/TD] [TD]34,900 PSI[/TD] [TD][/TD] [/TR] [/TABLE] Identical on everything EXCEPT the primer, and a starting pressure change over 4,000 psi. Note the lower pressure returned higher velocity. [/QUOTE]
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