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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Great Cold bore group vs wandering shot strings
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<blockquote data-quote="livetohunt" data-source="post: 1451493" data-attributes="member: 100535"><p>Update. Shot today with both bullets. Here are results.</p><p></p><p>6 shots with Berger VLD. Onecold bore, one more cold bore to verify a grouping... after the second cold bore shot I let them fly. Barrel was pretty hot after. I usually try to limit shot strings to 4 shots. </p><p></p><p>Second target is 4 shots with the 215 hybrids. I shot a .5" group with cold bore and then 3 shots quickly after. As usual it wanders, then those two group. Oddly this time the 4th shot came back to zero. </p><p></p><p>So I verified that the 215's seem to "wander" due to barrel heat more than the 210's. My cold bore groups with both are about the same at ~.5". </p><p></p><p>It's lighter barrel. But I'm still perplexed as to why the distance the grouping wanders so much more</p><p>With the 215s. It's a little hotter load but still! I also verified my ES thru a chrono and with 6 shots my ES was 24 which I will gladly take while fireforming brass.</p></blockquote><p></p>
[QUOTE="livetohunt, post: 1451493, member: 100535"] Update. Shot today with both bullets. Here are results. 6 shots with Berger VLD. Onecold bore, one more cold bore to verify a grouping... after the second cold bore shot I let them fly. Barrel was pretty hot after. I usually try to limit shot strings to 4 shots. Second target is 4 shots with the 215 hybrids. I shot a .5” group with cold bore and then 3 shots quickly after. As usual it wanders, then those two group. Oddly this time the 4th shot came back to zero. So I verified that the 215’s seem to “wander” due to barrel heat more than the 210’s. My cold bore groups with both are about the same at ~.5”. It’s lighter barrel. But I’m still perplexed as to why the distance the grouping wanders so much more With the 215s. It’s a little hotter load but still! I also verified my ES thru a chrono and with 6 shots my ES was 24 which I will gladly take while fireforming brass. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Great Cold bore group vs wandering shot strings
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