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What's Wrong With .30 Caliber? By Bryan Litz
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<blockquote data-quote="jonoMT" data-source="post: 291396" data-attributes="member: 9463"><p>Bryan (or anybody else) would you consider a load hot (and hard on a barrel) given the following:</p><p></p><p>1) 2645 fps .308 Win - Lapua brass/165 gr. Accubond/46 gr. Varget/CCI BR2 primer</p><p></p><p>2) 20" heavy fluted barrel treated w/Tubb's Final Finish</p><p></p><p>Since treating the barrel, velocities (as expected) went down about 100fps. So I went up to what is nominally considered a "hot" load - 46 gr. of Varget - for that cartridge. I'm still getting the accuracy I want and show no over pressure signs, although I'm sure it's incrementally harder on the brass. If it was a 24" barrel I'd answer my own question: No. But given the shorter length, I wonder a little bit. My guess is that the answer is still no since the velocity is below the 3000+ velocities achieved with .30 magnum cartridges.</p></blockquote><p></p>
[QUOTE="jonoMT, post: 291396, member: 9463"] Bryan (or anybody else) would you consider a load hot (and hard on a barrel) given the following: 1) 2645 fps .308 Win - Lapua brass/165 gr. Accubond/46 gr. Varget/CCI BR2 primer 2) 20" heavy fluted barrel treated w/Tubb's Final Finish Since treating the barrel, velocities (as expected) went down about 100fps. So I went up to what is nominally considered a "hot" load - 46 gr. of Varget - for that cartridge. I'm still getting the accuracy I want and show no over pressure signs, although I'm sure it's incrementally harder on the brass. If it was a 24" barrel I'd answer my own question: No. But given the shorter length, I wonder a little bit. My guess is that the answer is still no since the velocity is below the 3000+ velocities achieved with .30 magnum cartridges. [/QUOTE]
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What's Wrong With .30 Caliber? By Bryan Litz
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