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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Recommendation for 300WSM
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<blockquote data-quote="FEENIX" data-source="post: 3031932" data-attributes="member: 14204"><p>I just checked my tracking log, and it shows I went through IMR 7828SSC, H1000, H4831SC, Magpro, and Retumbo and .046" off the lands (due to OAL to mag issues) with the Berger 215. These are powders I have already opened during load development. While I am OK with the group, I did not find the best compromise of accuracy and velocity, and I tried RL-17 and .080" off the lands. Yes, I could have given up, but I wanted it to work and am happy with it. As with anything else, YMMV.</p><p></p><p>If your friend has enough of the factory 165 ammo with the same lot#, I'd have him practice to his max range of 400Y and see how it goes. You can run the numbers with that ammo and see the velocity and energy at POI. My unwritten rule is 1500 FT-LBS and the minimum velocity for the bullet to expand effectively at POI. Many people, including some bullet makers, do not believe in energy transfer. Bullet design and construction have different energy transfer levels. Shot placement and the nut behind the trigger remain the most significant factors.</p><p></p><p>Whether the end-user believes in energy transfer or dump or whatever the correct terminology is to get the point across, the laws of physics exist. Norma has an excellent video capturing/measuring energy transfer.</p><p></p><p>[MEDIA=youtube]LqCh8-qCtO0:129[/MEDIA]</p></blockquote><p></p>
[QUOTE="FEENIX, post: 3031932, member: 14204"] I just checked my tracking log, and it shows I went through IMR 7828SSC, H1000, H4831SC, Magpro, and Retumbo and .046" off the lands (due to OAL to mag issues) with the Berger 215. These are powders I have already opened during load development. While I am OK with the group, I did not find the best compromise of accuracy and velocity, and I tried RL-17 and .080" off the lands. Yes, I could have given up, but I wanted it to work and am happy with it. As with anything else, YMMV. If your friend has enough of the factory 165 ammo with the same lot#, I'd have him practice to his max range of 400Y and see how it goes. You can run the numbers with that ammo and see the velocity and energy at POI. My unwritten rule is 1500 FT-LBS and the minimum velocity for the bullet to expand effectively at POI. Many people, including some bullet makers, do not believe in energy transfer. Bullet design and construction have different energy transfer levels. Shot placement and the nut behind the trigger remain the most significant factors. Whether the end-user believes in energy transfer or dump or whatever the correct terminology is to get the point across, the laws of physics exist. Norma has an excellent video capturing/measuring energy transfer. [MEDIA=youtube]LqCh8-qCtO0:129[/MEDIA] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Bullet Recommendation for 300WSM
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