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Rifles, Reloading, Optics, Equipment
Reloading
testing reloads
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<blockquote data-quote="Mikecr" data-source="post: 432969" data-attributes="member: 1521"><p>Without knowing the cartridge, it's hard to guess at barrel cooling betwen shots. For 'fast grouping' I prefer a barrel heat up no more than allowing me to wipe the barrel with the back of my hand, without screaming like a little girl in front of other shooters..</p><p>But your ten minute rule will produce the very worst in performance. With cold bore testing, which I do mostly, a 10min shot interval is as ugly as it gets. It's worse than 5min, 30min, 1hr, 2hr, , etc.</p><p>And that's fine down the road. Eventually I wanna see the worst.</p><p>But early in load development(with 26wssm & smaller), it's 1min/sht, every 30mins, and the first group don't count(fouler, adjuster).</p><p> </p><p></p><p>Absolutely horrible idea. </p><p>You should not throw barrel cleaning into initial load development if it changes everything. I say 'if', but it typically does. Hopefully your barrel does not copper foul so bad that this becomes a necessity. If it does, shoot a round of Tubbs FinalFinish bullets through it, and consider coating bullets, and same pre-fouling for the barrel. You need to get through your testing with as few factors as possible.</p><p> </p><p></p><p>Tons of things... Your rest, the sun, the wind, the temps, bugs, goat chewing on your guncase, farmer's daughter picking up brass in daisey dukes.. Rednecks asking stupid questions while cousin Bo carries more painted cinder blocks downrange to shoot at(they haven't discovered paper yet)..</p></blockquote><p></p>
[QUOTE="Mikecr, post: 432969, member: 1521"] Without knowing the cartridge, it's hard to guess at barrel cooling betwen shots. For 'fast grouping' I prefer a barrel heat up no more than allowing me to wipe the barrel with the back of my hand, without screaming like a little girl in front of other shooters.. But your ten minute rule will produce the very worst in performance. With cold bore testing, which I do mostly, a 10min shot interval is as ugly as it gets. It's worse than 5min, 30min, 1hr, 2hr, , etc. And that's fine down the road. Eventually I wanna see the worst. But early in load development(with 26wssm & smaller), it's 1min/sht, every 30mins, and the first group don't count(fouler, adjuster). Absolutely horrible idea. You should not throw barrel cleaning into initial load development if it changes everything. I say 'if', but it typically does. Hopefully your barrel does not copper foul so bad that this becomes a necessity. If it does, shoot a round of Tubbs FinalFinish bullets through it, and consider coating bullets, and same pre-fouling for the barrel. You need to get through your testing with as few factors as possible. Tons of things... Your rest, the sun, the wind, the temps, bugs, goat chewing on your guncase, farmer's daughter picking up brass in daisey dukes.. Rednecks asking stupid questions while cousin Bo carries more painted cinder blocks downrange to shoot at(they haven't discovered paper yet).. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
testing reloads
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