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Rifles, Reloading, Optics, Equipment
Reloading
.243 Barnes TSX & TTSX Lapua cases Vihtavuori N550?
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<blockquote data-quote="alasdair" data-source="post: 831967" data-attributes="member: 69257"><p>Thanks azsugarbear,</p><p></p><p>I appreciate your advice and respect your wisdom.</p><p>But here's the problem:</p><p>for .243 TSX 85 gr, Lapua case Lapua/Vv recommend starting load N550 39.5gr to maximum 42.0 gr. My best load to date seems to be 41.4 gr.</p><p>But Lapua/Vv don't give a recipe for the TTSX.</p><p></p><p>As you say: as a general rule it is seems to be that for similar bullets in same case, same powder, same rifle scenario the lighter bullet takes a slightly higher load.</p><p>e.g. .243 Win. and H4350</p><p></p><p> from Barnes reloading data:</p><p> TTSX <strong>80</strong> gr min: 41.5 gr to max: 45.5 gr</p><p>&</p><p> from Hodgdon reloading data:</p><p> TSX <strong>85</strong> gr min: 37.3 gr to max: 40.5 gr</p><p></p><p>If I subtract 2.0 gr from my best 85gr load of N550 that will take me below the starting load for the 85 gr, and I'm wanting a starting load for the 80 gr - which must surely be higher?</p><p> . . and since most of the tables caution against using less than minimum/starting loads, I'm wary . . remember I'm a novice!</p><p></p><p>It seems to me that given a same rifle, same case, same powder scenario and with bullets as similar as the .243 TSX & TTSX, that I would be pretty safe using my TSX load (41.4 gr) as a starting load for the TTSX. But I'm a novice. So I need to check out my assumptions!</p><p></p><p></p><p>Why bother, when I have a load that I'm happy with for the TSX 85 gr?</p><p>Well with bullet availability being precarious it would be nice to have a load for the TTSX in the event that I can't get TSX but can get TTSX.</p><p></p><p>What on earth did folk do in the days when there was no internet or forum?</p><p></p><p>Thanks again,</p><p></p><p> alasdair.</p></blockquote><p></p>
[QUOTE="alasdair, post: 831967, member: 69257"] Thanks azsugarbear, I appreciate your advice and respect your wisdom. But here's the problem: for .243 TSX 85 gr, Lapua case Lapua/Vv recommend starting load N550 39.5gr to maximum 42.0 gr. My best load to date seems to be 41.4 gr. But Lapua/Vv don't give a recipe for the TTSX. As you say: as a general rule it is seems to be that for similar bullets in same case, same powder, same rifle scenario the lighter bullet takes a slightly higher load. e.g. .243 Win. and H4350 from Barnes reloading data: TTSX [B]80[/B] gr min: 41.5 gr to max: 45.5 gr & from Hodgdon reloading data: TSX [B]85[/B] gr min: 37.3 gr to max: 40.5 gr If I subtract 2.0 gr from my best 85gr load of N550 that will take me below the starting load for the 85 gr, and I'm wanting a starting load for the 80 gr - which must surely be higher? . . and since most of the tables caution against using less than minimum/starting loads, I'm wary . . remember I'm a novice! It seems to me that given a same rifle, same case, same powder scenario and with bullets as similar as the .243 TSX & TTSX, that I would be pretty safe using my TSX load (41.4 gr) as a starting load for the TTSX. But I'm a novice. So I need to check out my assumptions! Why bother, when I have a load that I'm happy with for the TSX 85 gr? Well with bullet availability being precarious it would be nice to have a load for the TTSX in the event that I can't get TSX but can get TTSX. What on earth did folk do in the days when there was no internet or forum? Thanks again, alasdair. [/QUOTE]
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.243 Barnes TSX & TTSX Lapua cases Vihtavuori N550?
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