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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger .338 300 grain EH - ballistic coefficient
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<blockquote data-quote="Timber338" data-source="post: 1176035" data-attributes="member: 33822"><p>ive read about HBN but never felt the need to try and use it. Maybe I would if I shot the distances that those guys are shooting all the time. </p><p></p><p>i definitely think it's worth trying to drop ES with lubricants/coatings for all ammo, but I'm skeptical that huge gains will be made in ammo that's been loaded for several months/years. Even if we can prevent cold welding there is nothing we can do to prevent age hardening other than annealing and possibly using the lightest neck tension that we can tolerate. But I'll follow that thread you sent to see what those guys figure out. I certainly won't be proving or disproving anything with a skeptical attitude <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p></p><p>I'm going out this afternoon to test my velocity at a higher temperature. This 300 EH is new to me and I've only shot this load in the low 30 degF temps. My 2725 avg fps was recorded at 34 degF and today is supposed to be up in the mid 50's. We'll see how it all goes, I'm hoping to get a good 2nd data point for temp sensitivity. </p><p></p><p>Any of you guys doing any fancy coatings to drop ES? I've used graphite in the past and more commonly use imperial wax in the necks.</p></blockquote><p></p>
[QUOTE="Timber338, post: 1176035, member: 33822"] ive read about HBN but never felt the need to try and use it. Maybe I would if I shot the distances that those guys are shooting all the time. i definitely think it's worth trying to drop ES with lubricants/coatings for all ammo, but I'm skeptical that huge gains will be made in ammo that's been loaded for several months/years. Even if we can prevent cold welding there is nothing we can do to prevent age hardening other than annealing and possibly using the lightest neck tension that we can tolerate. But I'll follow that thread you sent to see what those guys figure out. I certainly won't be proving or disproving anything with a skeptical attitude :rolleyes: I'm going out this afternoon to test my velocity at a higher temperature. This 300 EH is new to me and I've only shot this load in the low 30 degF temps. My 2725 avg fps was recorded at 34 degF and today is supposed to be up in the mid 50's. We'll see how it all goes, I'm hoping to get a good 2nd data point for temp sensitivity. Any of you guys doing any fancy coatings to drop ES? I've used graphite in the past and more commonly use imperial wax in the necks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Berger .338 300 grain EH - ballistic coefficient
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