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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 STW vs 28 Nosler vs 7 RUM according to Nosler's #8 reloading book
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<blockquote data-quote="Shumba" data-source="post: 1217388" data-attributes="member: 12337"><p>I you are using the 338 Lapua AI Mag no space is lost. The lapua mag allows the 195 bergers to be seated with the boattail junction to be at the case neck/shoulder junction, and obviously the rifle would have to be chambered accordingly. </p><p> </p><p>As far as the velocity comparisons between the 3 cartridges, I have not had a 7RUM or a 7STW so I have no facts on those two. The 28 nosler I have with a 29" barrel and long throated chamber will surpass the 3200 mark with 88.5g RL 33. While that is not the most vertically consitient in ladder tests, I run a mild 87g RL 33 at 3160fps. 88g does not leave ejector marks and no case head expansion, there is some of both on some of the 88.5 g loads. ES is less than 10 fps regardless of powder charge from 86-88.5g. Not sure how this compares to the other 2 from an experience standpoint but from what I have read here the 28 Nosler (with a long throat and heavy bullets) appears to be more efficient. Velocities taken with Oehler 35P and Labradar.</p></blockquote><p></p>
[QUOTE="Shumba, post: 1217388, member: 12337"] I you are using the 338 Lapua AI Mag no space is lost. The lapua mag allows the 195 bergers to be seated with the boattail junction to be at the case neck/shoulder junction, and obviously the rifle would have to be chambered accordingly. As far as the velocity comparisons between the 3 cartridges, I have not had a 7RUM or a 7STW so I have no facts on those two. The 28 nosler I have with a 29" barrel and long throated chamber will surpass the 3200 mark with 88.5g RL 33. While that is not the most vertically consitient in ladder tests, I run a mild 87g RL 33 at 3160fps. 88g does not leave ejector marks and no case head expansion, there is some of both on some of the 88.5 g loads. ES is less than 10 fps regardless of powder charge from 86-88.5g. Not sure how this compares to the other 2 from an experience standpoint but from what I have read here the 28 Nosler (with a long throat and heavy bullets) appears to be more efficient. Velocities taken with Oehler 35P and Labradar. [/QUOTE]
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7 STW vs 28 Nosler vs 7 RUM according to Nosler's #8 reloading book
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