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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What factors cause too high pressure ?
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<blockquote data-quote="comfisherman" data-source="post: 2837604" data-attributes="member: 8394"><p>Seen a lot of guys have custom rifles built with reamers that were much tighter than their Factory rifles with shorter freebore causing some pressure spikes.</p><p></p><p>Have seen this more recently, guys switching brass brands without changing load. The shortages have made this a little more common. Your reloaded wimchester brass is gonna be different than adg...</p><p></p><p>Single greatest issue I've run into causing overpressure is believing loads you see on the internet for Wildcats. I've had a couple of friends who started loading specifically because they saw data that was just amazing... specifically the 22 Creedmoor when it first came out. Had a buddy end up with one he believed was just magically efficient.... well except even quality brass couldn't keep a primer pocket. Eventually real data came out and surprise surprise his load was probably in the upper 70s kpsi. This happens a lot with new wonder "efficient" wildcats.</p></blockquote><p></p>
[QUOTE="comfisherman, post: 2837604, member: 8394"] Seen a lot of guys have custom rifles built with reamers that were much tighter than their Factory rifles with shorter freebore causing some pressure spikes. Have seen this more recently, guys switching brass brands without changing load. The shortages have made this a little more common. Your reloaded wimchester brass is gonna be different than adg... Single greatest issue I've run into causing overpressure is believing loads you see on the internet for Wildcats. I've had a couple of friends who started loading specifically because they saw data that was just amazing... specifically the 22 Creedmoor when it first came out. Had a buddy end up with one he believed was just magically efficient.... well except even quality brass couldn't keep a primer pocket. Eventually real data came out and surprise surprise his load was probably in the upper 70s kpsi. This happens a lot with new wonder "efficient" wildcats. [/QUOTE]
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What factors cause too high pressure ?
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