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Rifles, Reloading, Optics, Equipment
Reloading
Video On Bump sizing cases.
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<blockquote data-quote="J E Custom" data-source="post: 1842403" data-attributes="member: 2736"><p>When sizing a case to fit the chamber I remove the cocking piece and the ejector to prevent any false reading, I also place the case under the extractor before it is placed in the action/chamber.</p><p></p><p>This is the same method I use when head spacing the chamber.</p><p></p><p>The reason he placed the case in the chamber with sizing wax on it is something I don't like to do because I don't want any lubricant in the chamber ever. And by using the same case every time without the expander ball is to lessen the amount of work hardening the rest Of his brass. After he finally reaches the best fit he will have to anneal that test case or discard it because of working the brass to many times. but it allows him to reach the amount of sizing desired for all of the remaining cases.</p><p></p><p>And for your last question, the chamber should not be dirty in the first place but if it does get dusty, the cam action of the action can compress the case .006 to .008 thousandths and chamber the round. Where some actions cant/wont function dependably with out clearance. If you are shooting dangerous game, this is something that is normally allowed for with full sizing and neck clearances up to .004 thousandths per side. But we are talking about accuracy loading so the rules are different depending on the use and the type of firearm used. the better the fit generally the better the accuracy but the more difficult chambering in many types of actions. so the shooter has to decide what he wants and excepts.</p><p></p><p>Fortunately, bolt actions are more forgiving in many ways that other actions aren't. But generally they are the most accurate system.</p><p></p><p>I find ways to keep my rifles clean even the worst conditions so I know I can rely on there functioning when I need them, so with that in mind, the loading procedure is different for different rifles I hunt with.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1842403, member: 2736"] When sizing a case to fit the chamber I remove the cocking piece and the ejector to prevent any false reading, I also place the case under the extractor before it is placed in the action/chamber. This is the same method I use when head spacing the chamber. The reason he placed the case in the chamber with sizing wax on it is something I don't like to do because I don't want any lubricant in the chamber ever. And by using the same case every time without the expander ball is to lessen the amount of work hardening the rest Of his brass. After he finally reaches the best fit he will have to anneal that test case or discard it because of working the brass to many times. but it allows him to reach the amount of sizing desired for all of the remaining cases. And for your last question, the chamber should not be dirty in the first place but if it does get dusty, the cam action of the action can compress the case .006 to .008 thousandths and chamber the round. Where some actions cant/wont function dependably with out clearance. If you are shooting dangerous game, this is something that is normally allowed for with full sizing and neck clearances up to .004 thousandths per side. But we are talking about accuracy loading so the rules are different depending on the use and the type of firearm used. the better the fit generally the better the accuracy but the more difficult chambering in many types of actions. so the shooter has to decide what he wants and excepts. Fortunately, bolt actions are more forgiving in many ways that other actions aren't. But generally they are the most accurate system. I find ways to keep my rifles clean even the worst conditions so I know I can rely on there functioning when I need them, so with that in mind, the loading procedure is different for different rifles I hunt with. J E CUSTOM [/QUOTE]
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