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Long Range Hunting & Shooting
New reloader, first load: questions
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<blockquote data-quote="entoptics" data-source="post: 1601763" data-attributes="member: 104268"><p>The Nosler website is a good resource for choosing where to start.</p><p></p><p><a href="https://load-data.nosler.com" target="_blank">https://load-data.nosler.com</a></p><p></p><p>Choose a weight of bullet, and then look at the suggested charges. An ideal powder is one that gets high velocity (further down the list), and has a load density of around 95-100% (right hand column). For example, I just looked at the 160-168 bullet page for 7mm Mag, and see that Magpro, Retumbo, H1000, and RL25 all would fit this bill for the 168 gr bullet.</p><p></p><p>This is by no means a perfect predictor of what will work best in your rifle, but it's a good way to narrow down your choices. You can even make a flow chart, or excel spreadsheet, which covers a wide variety of bullet weights, and if you find a powder that achieves the high velocity/density formula with a wide range of bullets, that's probably a good choice for experimenting.</p><p></p><p>I also suggest comparing the information from Nosler.com with that at Hodgden and Alliant. If you see a powder getting similar results across the board with a variety of bullets, you know it's probably a good choice.</p><p></p><p><a href="http://www.hodgdonreloading.com" target="_blank">http://www.hodgdonreloading.com</a></p><p></p><p><a href="http://www.alliantpowder.com/reloaders/default.aspx?page=/reloaders/index.aspx&" target="_blank">http://www.alliantpowder.com/reloaders/default.aspx?page=/reloaders/index.aspx&</a></p><p></p><p>It's been awhile since I ran a 7mm, but if I recall, Retumbo was my go-to powder for 160 gr bullets.</p></blockquote><p></p>
[QUOTE="entoptics, post: 1601763, member: 104268"] The Nosler website is a good resource for choosing where to start. [URL]https://load-data.nosler.com[/URL] Choose a weight of bullet, and then look at the suggested charges. An ideal powder is one that gets high velocity (further down the list), and has a load density of around 95-100% (right hand column). For example, I just looked at the 160-168 bullet page for 7mm Mag, and see that Magpro, Retumbo, H1000, and RL25 all would fit this bill for the 168 gr bullet. This is by no means a perfect predictor of what will work best in your rifle, but it's a good way to narrow down your choices. You can even make a flow chart, or excel spreadsheet, which covers a wide variety of bullet weights, and if you find a powder that achieves the high velocity/density formula with a wide range of bullets, that's probably a good choice for experimenting. I also suggest comparing the information from Nosler.com with that at Hodgden and Alliant. If you see a powder getting similar results across the board with a variety of bullets, you know it's probably a good choice. [URL]http://www.hodgdonreloading.com[/URL] [URL]http://www.alliantpowder.com/reloaders/default.aspx?page=/reloaders/index.aspx&[/URL] It's been awhile since I ran a 7mm, but if I recall, Retumbo was my go-to powder for 160 gr bullets. [/QUOTE]
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