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Rifles, Reloading, Optics, Equipment
Reloading
300rum RELOADING Brass PROBLEMS!!!!
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<blockquote data-quote="jmden" data-source="post: 118184" data-attributes="member: 1742"><p>IMHO, you do not need to trim these fired cases when they are as close in length as you say they are. Clean 'em and load 'em.</p><p></p><p>I trim my cases to 2.838 initially and then pretty much don't trim them again as after 3 or so firings they quit growing. As long as they are at least a few thousandths less than your chamber length, your OK in term of safety. To determine your chamber length, get this guage for a couple of bucks: ( <a href="http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCL&amp;item=G-308&amp;type=store" target="_blank">http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCL&amp;item=G-308&amp;type=store</a> ). This way you will know for sure how far you can let your cases grow, before they must be trimmed. Otherwise, for hunting conditions, leave the neck at long as you can for extra bullet grip is what I would say.</p><p></p><p>Edit: Neck sizing should be just fine as long as it's not too difficult to eject the case. Often, when only neck sizing, you may have to FL resize at some point as the cases can otherwise grow enough that they become difficult to chamber or eject. If you do FL resize, got to Sinclair again (same company as above) and search for the Redding Competition Shellholders and use the appropriate shellholder (follow directions to find the shellholder that allows the case to just barely chamber easily) in place of the shellholder you are currectly using. These comp. shellholders allow you to size the brass minimally to still chamber easily. Your standard shellholder and FL die will usually do way too much sizing/squashing to the case, shortening it's life and often reducing potential accuracy. A potential main advantage to doing your own reloading is that with fireforming (inital firing of round), the case will then hopefully align much better with your chamber increasing potential accuracy. However, if you over squash that case everytime you FL size it, you're potentially reducing the accuracy of your reloading/rifle combination. In some combinations, FL sizing makes no difference to accuracy--no black and white truth here. You just have to experiment and see what works for your combination. </p><p></p><p>Welcome to one of the most rewarding and frustrating endeavors out there! /ubbthreads/images/graemlins/smile.gif</p></blockquote><p></p>
[QUOTE="jmden, post: 118184, member: 1742"] IMHO, you do not need to trim these fired cases when they are as close in length as you say they are. Clean 'em and load 'em. I trim my cases to 2.838 initially and then pretty much don't trim them again as after 3 or so firings they quit growing. As long as they are at least a few thousandths less than your chamber length, your OK in term of safety. To determine your chamber length, get this guage for a couple of bucks: ( [url="http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCL&item=G-308&type=store"]http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCL&item=G-308&type=store[/url] ). This way you will know for sure how far you can let your cases grow, before they must be trimmed. Otherwise, for hunting conditions, leave the neck at long as you can for extra bullet grip is what I would say. Edit: Neck sizing should be just fine as long as it's not too difficult to eject the case. Often, when only neck sizing, you may have to FL resize at some point as the cases can otherwise grow enough that they become difficult to chamber or eject. If you do FL resize, got to Sinclair again (same company as above) and search for the Redding Competition Shellholders and use the appropriate shellholder (follow directions to find the shellholder that allows the case to just barely chamber easily) in place of the shellholder you are currectly using. These comp. shellholders allow you to size the brass minimally to still chamber easily. Your standard shellholder and FL die will usually do way too much sizing/squashing to the case, shortening it's life and often reducing potential accuracy. A potential main advantage to doing your own reloading is that with fireforming (inital firing of round), the case will then hopefully align much better with your chamber increasing potential accuracy. However, if you over squash that case everytime you FL size it, you're potentially reducing the accuracy of your reloading/rifle combination. In some combinations, FL sizing makes no difference to accuracy--no black and white truth here. You just have to experiment and see what works for your combination. Welcome to one of the most rewarding and frustrating endeavors out there! [img]/ubbthreads/images/graemlins/smile.gif[/img] [/QUOTE]
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Reloading
300rum RELOADING Brass PROBLEMS!!!!
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