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Rifles, Reloading, Optics, Equipment
Reloading
? for folks smarter than me...well ok, ? for everybody
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<blockquote data-quote="goodgrouper" data-source="post: 150741" data-attributes="member: 2852"><p>[ QUOTE ]</p><p> anyone know a safe min. neck thickness?</p><p> </p><p></p><p>[/ QUOTE ]</p><p></p><p>There is no such thing as "a safe min. neck thickness". I have guns that have .008" thick necks all the way up to .014" thick. The .008" necks are just as safe as the .014" necks. The difference is the .008" are very easy to dent.</p><p></p><p>What I think you are trying to be concerned about is <em>neck clearance.</em> This is the chamber neck dimension minus your loaded round diameter. If it is a hunting rifle and you're not anal, you need probably at least .003" of clearance. On a bench rifle, I like running .001" clearance to .0015" although I have one hunting rifle that runs these tight clearances. I have to check it and clean it very often and it never goes on an atv or horse without having a sock put on it so it keeps dust out of the chamber. /ubbthreads/images/graemlins/shocked.gif</p><p></p><p>Back to the problem at hand: Your neck is .290 and your bullets don't have enough room to go back into the case? Did I read that right? If this is the case, your chamber dimension might be very close to .290 and your are running to tight of clearance and/or using too light of a load with it and/or your brass is naturally soft and has lots of "springback" and is basically closing up the hole and not letting a bullet go back in easily. You need to find out the neck diameter of your chamber before you fire any more shots through that rifle!</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 150741, member: 2852"] [ QUOTE ] anyone know a safe min. neck thickness? [/ QUOTE ] There is no such thing as "a safe min. neck thickness". I have guns that have .008" thick necks all the way up to .014" thick. The .008" necks are just as safe as the .014" necks. The difference is the .008" are very easy to dent. What I think you are trying to be concerned about is [i]neck clearance.[/i] This is the chamber neck dimension minus your loaded round diameter. If it is a hunting rifle and you're not anal, you need probably at least .003" of clearance. On a bench rifle, I like running .001" clearance to .0015" although I have one hunting rifle that runs these tight clearances. I have to check it and clean it very often and it never goes on an atv or horse without having a sock put on it so it keeps dust out of the chamber. [img]/ubbthreads/images/graemlins/shocked.gif[/img] Back to the problem at hand: Your neck is .290 and your bullets don't have enough room to go back into the case? Did I read that right? If this is the case, your chamber dimension might be very close to .290 and your are running to tight of clearance and/or using too light of a load with it and/or your brass is naturally soft and has lots of "springback" and is basically closing up the hole and not letting a bullet go back in easily. You need to find out the neck diameter of your chamber before you fire any more shots through that rifle! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
? for folks smarter than me...well ok, ? for everybody
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