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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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<blockquote data-quote="Okanogan" data-source="post: 1910366" data-attributes="member: 90397"><p>I'm reasonably convinced the speed changes are coming from changes in the barrel. I have shot nothing but virgin ADG brass thus far and all the RL26 is coming from the same 8 lb canister and it was all shot with CCI 250 primers from the same brick. The temperature at the range has varied from probably 55-70F during my shooting over the last two weeks during the 250+ break-in rounds thus far. I use an Auto-trickler and a FX-120i for charge weighing. I have data that says the same load went up more than 50 fps from one day to the next during this period. I have cleaned the barrel extensively using more than one mfr solvent and have scoped it recently. Could it be something else, sure but it seems less probable to me than the new barrel break-in speed increase that others have suggested occurs.</p><p></p><p>I'm not disagreeing that anything is possible or claiming I know all the answers.</p><p></p><p>The rifle shoots well. My plan continues to be to try and gather additional data, including on other bullets I'm no longer pursuing for load development. Mostly I'm curious and haven't seen similar data from other sources.</p></blockquote><p></p>
[QUOTE="Okanogan, post: 1910366, member: 90397"] I'm reasonably convinced the speed changes are coming from changes in the barrel. I have shot nothing but virgin ADG brass thus far and all the RL26 is coming from the same 8 lb canister and it was all shot with CCI 250 primers from the same brick. The temperature at the range has varied from probably 55-70F during my shooting over the last two weeks during the 250+ break-in rounds thus far. I use an Auto-trickler and a FX-120i for charge weighing. I have data that says the same load went up more than 50 fps from one day to the next during this period. I have cleaned the barrel extensively using more than one mfr solvent and have scoped it recently. Could it be something else, sure but it seems less probable to me than the new barrel break-in speed increase that others have suggested occurs. I'm not disagreeing that anything is possible or claiming I know all the answers. The rifle shoots well. My plan continues to be to try and gather additional data, including on other bullets I'm no longer pursuing for load development. Mostly I'm curious and haven't seen similar data from other sources. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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