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Long Range Hunting & Shooting
Same EXACT load as last years load shoots like crap
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<blockquote data-quote="lancetkenyon" data-source="post: 2494214" data-attributes="member: 68875"><p>Have you chronographed both loads? Old and new? Temps will make a difference in velocity, but with last year's ammo shooting better than this year's, you need to verify speeds between the two.</p><p></p><p>There has to be something different. </p><p>One thing different, could be that ammo built last year had a bit more neck hold due to a very slight bullet weld to the case neck. But, if last year, you shot your ammo fairly soon after loading, that should not be it.</p><p></p><p>Verify primers are the same</p><p>Verify primer seating is the same</p><p>Pull apart a loaded round from last year and reweigh the powder charge. Scale might have drifted, so this year's loads are a bit different.</p><p>Try a new bottle of powder and see if that changes anything</p><p>Neck tension</p><p>Check headspace from last years loaded ammo to this new batch</p><p>Verify seating depth (CBTO) is the same between last year's and this year's ammo. Maybe your die got adjusted or bumped inadvertently</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 2494214, member: 68875"] Have you chronographed both loads? Old and new? Temps will make a difference in velocity, but with last year's ammo shooting better than this year's, you need to verify speeds between the two. There has to be something different. One thing different, could be that ammo built last year had a bit more neck hold due to a very slight bullet weld to the case neck. But, if last year, you shot your ammo fairly soon after loading, that should not be it. Verify primers are the same Verify primer seating is the same Pull apart a loaded round from last year and reweigh the powder charge. Scale might have drifted, so this year's loads are a bit different. Try a new bottle of powder and see if that changes anything Neck tension Check headspace from last years loaded ammo to this new batch Verify seating depth (CBTO) is the same between last year's and this year's ammo. Maybe your die got adjusted or bumped inadvertently [/QUOTE]
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Same EXACT load as last years load shoots like crap
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