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Hello from Spain! Questions about a Bergara B-14 HMR 6.5 creedmoor
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<blockquote data-quote="Padmi" data-source="post: 1850949" data-attributes="member: 109877"><p>Hi again guys,</p><p></p><p>Since I got a good load with the hornady ELD M 147 grains bullets, as you recommended me; I am ready to try new bullets and loads.</p><p></p><p>I've purchased the Sierra MK HPBT 142 grains. My powder is the RS60 (reload swiss), I can buy here the Vitahvuori brand, that as far as I know, some of you like it in the US but it is difficult to find in your country,</p><p></p><p>But, I prefer to continue with the RS60 because a friend of mine, has a gun shop and he provide me the powder with an affordable price. This swiss power is produced to use in the following calipers:</p><p></p><p><em>"</em></p><p> <em>In addition, it can be used to load many short magnums. This propellant is perfect for high-performance applications and features excellent temperature behaviour.</em></p><p><em></em></p><p><em></em></p><p><em><span style="font-size: 22px"><strong>Standard calibres</strong></span></em></p><p><em></em></p><ul> <li data-xf-list-type="ul"><em>.260 Rem.</em></li> <li data-xf-list-type="ul"><em>.30 - 06 Spring.</em></li> <li data-xf-list-type="ul"><em>.30 - 284 Win</em></li> <li data-xf-list-type="ul"><em>6.5 x 47 Lapua</em></li> <li data-xf-list-type="ul"><em>6.5 x 55 SE</em></li> <li data-xf-list-type="ul"><em>7.5 x 55 Swiss</em></li> <li data-xf-list-type="ul"><em>7.62 x 54 R</em></li> </ul><p><em><span style="font-size: 22px"><strong>Key characteristics</strong></span></em></p><table style='width: 100%'><tr><td><em>Heat of explosion</em></td><td><em>approx. 4,000 J/g</em></td></tr><tr><td><em>Bulk density</em></td><td><em>approx. 970 g/l</em></td></tr><tr><td><em>Grain diameter</em></td><td><em>approx. 0.9 mm</em></td></tr><tr><td><em>Grain length</em></td><td><em>approx. 1.4 mm</em></td></tr></table><p>"</p><p> </p><p>My rifle has 1:8 twist and Sierra recommend the MK HPBT 142 for this twist. I have not idea about the start load, because there is not data in google, but I found a chart to 140 grain bullets (hornady). In this case the sierra ones are tangent bullets so I might do saami reload to start.</p><p></p><p>Lets see, any advises are welcome! You know that, although I am European, I like to follow the American style and technique <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" /></p></blockquote><p></p>
[QUOTE="Padmi, post: 1850949, member: 109877"] Hi again guys, Since I got a good load with the hornady ELD M 147 grains bullets, as you recommended me; I am ready to try new bullets and loads. I've purchased the Sierra MK HPBT 142 grains. My powder is the RS60 (reload swiss), I can buy here the Vitahvuori brand, that as far as I know, some of you like it in the US but it is difficult to find in your country, But, I prefer to continue with the RS60 because a friend of mine, has a gun shop and he provide me the powder with an affordable price. This swiss power is produced to use in the following calipers: [I]" In addition, it can be used to load many short magnums. This propellant is perfect for high-performance applications and features excellent temperature behaviour. [SIZE=6][B]Standard calibres[/B][/SIZE] [/I] [LIST] [*][I].260 Rem.[/I] [*][I].30 - 06 Spring.[/I] [*][I].30 - 284 Win[/I] [*][I]6.5 x 47 Lapua[/I] [*][I]6.5 x 55 SE[/I] [*][I]7.5 x 55 Swiss[/I] [*][I]7.62 x 54 R[/I] [/LIST] [I][SIZE=6][B]Key characteristics[/B][/SIZE][/I] [TABLE] [TR] [TD][I]Heat of explosion[/I][/TD] [TD][I]approx. 4,000 J/g[/I][/TD] [/TR] [TR] [TD][I]Bulk density[/I][/TD] [TD][I]approx. 970 g/l[/I][/TD] [/TR] [TR] [TD][I]Grain diameter[/I][/TD] [TD][I]approx. 0.9 mm[/I][/TD] [/TR] [TR] [TD][I]Grain length[/I][/TD] [TD][I]approx. 1.4 mm[/I][/TD] [/TR] [/TABLE] " My rifle has 1:8 twist and Sierra recommend the MK HPBT 142 for this twist. I have not idea about the start load, because there is not data in google, but I found a chart to 140 grain bullets (hornady). In this case the sierra ones are tangent bullets so I might do saami reload to start. Lets see, any advises are welcome! You know that, although I am European, I like to follow the American style and technique :P [/QUOTE]
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Hello from Spain! Questions about a Bergara B-14 HMR 6.5 creedmoor
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