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Long Range Hunting & Shooting
Barrel break in accuracy
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<blockquote data-quote="The Badger" data-source="post: 2462404" data-attributes="member: 52390"><p>If they are key holing into the target, that's much more like that bullet not stabilizing and not the propellant/charge choice. I think I'd do a check of the barrel's twist rate with a cleaning rod to make sure 1 in 8 is actually what you ended up with. </p><p></p><p>Starting over with a ladder using your 120 core-lokts is a good bet. Cup-n-core being a much shorter bullet. My last new 25-06 barrel was a brux 1 in 10. Broke it in using 117 Sierra GK's with RL-22. Stayed fairly mild on the load until I had about 100 rounds through it, as it was still picking up a little speed each session. Stabilized around 90 rounds. Have had good results with Sierra 117 Pro Hunters as well as 110 Accubonds with RL-23 turning out to be the best powder in it at near book max.</p></blockquote><p></p>
[QUOTE="The Badger, post: 2462404, member: 52390"] If they are key holing into the target, that's much more like that bullet not stabilizing and not the propellant/charge choice. I think I'd do a check of the barrel's twist rate with a cleaning rod to make sure 1 in 8 is actually what you ended up with. Starting over with a ladder using your 120 core-lokts is a good bet. Cup-n-core being a much shorter bullet. My last new 25-06 barrel was a brux 1 in 10. Broke it in using 117 Sierra GK's with RL-22. Stayed fairly mild on the load until I had about 100 rounds through it, as it was still picking up a little speed each session. Stabilized around 90 rounds. Have had good results with Sierra 117 Pro Hunters as well as 110 Accubonds with RL-23 turning out to be the best powder in it at near book max. [/QUOTE]
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Barrel break in accuracy
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