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Rifles, Reloading, Optics, Equipment
Reloading
.338 Lap AI / AX / .338-378 WBY data
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<blockquote data-quote="EXPRESS" data-source="post: 1347611" data-attributes="member: 1441"><p>I just got my .338 AMP back, which is close to identical to the .338 Allen Xpress and I suppose not much different to the other improved Lapua magnum based cases. </p><p></p><p>Here where I live it's not easy to get a wide variety of powders, with Vihtavuori being the most readily available, and recently the Swiss line of powders has become popular too. We don't get Hodgdon anymore, I got the last 5 1lb cans from the importer, at a price of $120 per pound!</p><p></p><p>No Reloader, no Aliant, no Norma to speak of. </p><p></p><p>So I can use the burn rate charts to get equivalents, and have done some searching only to find single loads people have shared for their own pet loads and powders.</p><p></p><p>Can I use the .338-378 Wby data and back it off by 3% to start with? My cases hold around 122 grains of water filled to the top of the neck, so it's right there with the .338-378Wby, aside from the different geometry.</p><p></p><p>I'd appreciate any input people can share to find a starting point for VV N170 and the Swiss RS80 as well as H1000 for the 5lbs I have. </p><p></p><p>Thanks!</p></blockquote><p></p>
[QUOTE="EXPRESS, post: 1347611, member: 1441"] I just got my .338 AMP back, which is close to identical to the .338 Allen Xpress and I suppose not much different to the other improved Lapua magnum based cases. Here where I live it's not easy to get a wide variety of powders, with Vihtavuori being the most readily available, and recently the Swiss line of powders has become popular too. We don't get Hodgdon anymore, I got the last 5 1lb cans from the importer, at a price of $120 per pound! No Reloader, no Aliant, no Norma to speak of. So I can use the burn rate charts to get equivalents, and have done some searching only to find single loads people have shared for their own pet loads and powders. Can I use the .338-378 Wby data and back it off by 3% to start with? My cases hold around 122 grains of water filled to the top of the neck, so it's right there with the .338-378Wby, aside from the different geometry. I'd appreciate any input people can share to find a starting point for VV N170 and the Swiss RS80 as well as H1000 for the 5lbs I have. Thanks! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.338 Lap AI / AX / .338-378 WBY data
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