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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Frustrated with Savage Lapua 338......
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<blockquote data-quote="green 788" data-source="post: 700887" data-attributes="member: 3781"><p>Wow... that's a big price for a re-crown and a bedding job. </p><p></p><p>I can't think of any sensible reason why your rifle would start showing pressure signs (presumably with the same load recipes) 50+ rounds after shooting that very same load recipe with no pressure signs.</p><p></p><p>Something has definitely changed--and I'm doubtful it's the rifle. Most likely, you've gotten hold of an off lot of powder, or the seating depth has changed... or there is a new lot of bullets.</p><p></p><p>Rifles actually, as the barrel breaks in, begin to tolerate heavier loads than when new. The leading edges of the lands "dress forward" a bit... and you actually tend to see velocities drop with a given powder charge. I've lost count of the times I've heard shooters say "My load is still shooting well, but velocities are down X percent."</p><p></p><p>Maybe someone else will have a suggestion as to how a rifle could do what you're describing... but my guess is still the loading components... maybe even a scale going a bit haywire. But the rifle... I doubt it. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p><p></p><p>Dan</p></blockquote><p></p>
[QUOTE="green 788, post: 700887, member: 3781"] Wow... that's a big price for a re-crown and a bedding job. I can't think of any sensible reason why your rifle would start showing pressure signs (presumably with the same load recipes) 50+ rounds after shooting that very same load recipe with no pressure signs. Something has definitely changed--and I'm doubtful it's the rifle. Most likely, you've gotten hold of an off lot of powder, or the seating depth has changed... or there is a new lot of bullets. Rifles actually, as the barrel breaks in, begin to tolerate heavier loads than when new. The leading edges of the lands "dress forward" a bit... and you actually tend to see velocities drop with a given powder charge. I've lost count of the times I've heard shooters say "My load is still shooting well, but velocities are down X percent." Maybe someone else will have a suggestion as to how a rifle could do what you're describing... but my guess is still the loading components... maybe even a scale going a bit haywire. But the rifle... I doubt it. :o Dan [/QUOTE]
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Frustrated with Savage Lapua 338......
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