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Rifles, Reloading, Optics, Equipment
Reloading
Moving Shoulders on a Case
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<blockquote data-quote="WRG" data-source="post: 402994" data-attributes="member: 13638"><p>Tom</p><p> </p><p>Check this tool out.</p><p> </p><p><a href="http://www.larrywillis.com/" target="_blank">Innovative Technologies - Reloading Equipment</a></p><p> </p><p><span style="color: black"><span style="font-family: 'Verdana'">This tool will allow you to set up your sizer die the same every time. Though most shooters feel they need headspace off the shoulder the fact is if your rifle has the proper HS from the case head to the bolt face, +.002 / +.003, there is no need to even touch the shoulder, +.001 is generally all that is needed.</span></span></p><p> </p><p><span style="color: black"><span style="font-family: 'Verdana'">I cringe at the thought of even touching the shoulder and disturbing my perfectly fire form cases that match my chambers dimension exactly. Not only does this practice of bumping the shoulder back play hell with run-out with the case neck, it also adds way more HS than is necessary which over works the brass. Larry's sales pitch is this gage will help you accurately set the shoulder back and it will, I on the other hand use it to make sure my die is not touching the shoulder. I find if I only re-size the neck and the body of the case, after two firings, my die barely touches the body and the case shoulder will stay true to my chambers OAL measurement. Every case will measure the same at the shoulder as long as I am using the same powder charge. If I'm trying to work-up loads the pressures are always changing and that will be apparent, as the shoulder measurements will not be stable. However, once I settle on a charge that is showing promise all my cases will measure the same and dialing in the load is real simple.</span></span></p><p> </p><p>If you already have a way to accurately measure your case shoulder you could give this a try. I own Larry's HS gage because it makes measuring fast, easy and can be used to take other measurements as well.</p><p> </p><p>WRG</p></blockquote><p></p>
[QUOTE="WRG, post: 402994, member: 13638"] Tom Check this tool out. [URL="http://www.larrywillis.com/"]Innovative Technologies - Reloading Equipment[/URL] [COLOR=black][FONT=Verdana]This tool will allow you to set up your sizer die the same every time. Though most shooters feel they need headspace off the shoulder the fact is if your rifle has the proper HS from the case head to the bolt face, +.002 / +.003, there is no need to even touch the shoulder, +.001 is generally all that is needed.[/FONT][/COLOR] [COLOR=black][FONT=Verdana]I cringe at the thought of even touching the shoulder and disturbing my perfectly fire form cases that match my chambers dimension exactly. Not only does this practice of bumping the shoulder back play hell with run-out with the case neck, it also adds way more HS than is necessary which over works the brass. Larry's sales pitch is this gage will help you accurately set the shoulder back and it will, I on the other hand use it to make sure my die is not touching the shoulder. I find if I only re-size the neck and the body of the case, after two firings, my die barely touches the body and the case shoulder will stay true to my chambers OAL measurement. Every case will measure the same at the shoulder as long as I am using the same powder charge. If I'm trying to work-up loads the pressures are always changing and that will be apparent, as the shoulder measurements will not be stable. However, once I settle on a charge that is showing promise all my cases will measure the same and dialing in the load is real simple.[/FONT][/COLOR] If you already have a way to accurately measure your case shoulder you could give this a try. I own Larry's HS gage because it makes measuring fast, easy and can be used to take other measurements as well. WRG [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Moving Shoulders on a Case
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