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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What happened to the '06?
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<blockquote data-quote="MontanaRifleman" data-source="post: 804699" data-attributes="member: 11717"><p>In my reloading experience, I see different high pressure signs and combination of signs from different rifles. No 2 have been exactly the same. I have seen ejector marks from my Senderos with less than published charges and less by several grains of my final max loads. Also have a 22-250 that craters all primers, starting loads, factory loads and max loads. Etc., etc. Pressure signs can be very difficult to read but I usually have a good idea of where I am and where my rifle's limit is.</p><p></p><p>Published data is a guide for me, not the final word. I have seen data for the 300 RUM where the starting load was higher in one manual than the max load in another for the same bullet and powder... Nosler and Hodgdon. Pressure/velocity ratios have many factors, including brass, primers, chamber/throat spec, bore spec, powder and/or primer lot, etc. There is no published data that specifically defines any particular load. Many times my max loads have been very close to published and sometimes not. And sometimes there is just no published data available. That is most time for me. Same goes for the Sherman case. There is no data for that so you have to interpolate as best as you can and then go with what you can discern through knowledge and experience.</p><p></p><p>I usually go until I feel a sticky bolt, unless I am seeing real flat primers and other signs, and then back off 1 or 2 grains. If my primer pockets are going after 2 or 3 firings, I back off. I define my max loads by how long my primer pockets last. So far it's worked for me. If i had pressure equipment, I would use that, but I don't. I use what I have and do the best I can</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 804699, member: 11717"] In my reloading experience, I see different high pressure signs and combination of signs from different rifles. No 2 have been exactly the same. I have seen ejector marks from my Senderos with less than published charges and less by several grains of my final max loads. Also have a 22-250 that craters all primers, starting loads, factory loads and max loads. Etc., etc. Pressure signs can be very difficult to read but I usually have a good idea of where I am and where my rifle's limit is. Published data is a guide for me, not the final word. I have seen data for the 300 RUM where the starting load was higher in one manual than the max load in another for the same bullet and powder... Nosler and Hodgdon. Pressure/velocity ratios have many factors, including brass, primers, chamber/throat spec, bore spec, powder and/or primer lot, etc. There is no published data that specifically defines any particular load. Many times my max loads have been very close to published and sometimes not. And sometimes there is just no published data available. That is most time for me. Same goes for the Sherman case. There is no data for that so you have to interpolate as best as you can and then go with what you can discern through knowledge and experience. I usually go until I feel a sticky bolt, unless I am seeing real flat primers and other signs, and then back off 1 or 2 grains. If my primer pockets are going after 2 or 3 firings, I back off. I define my max loads by how long my primer pockets last. So far it's worked for me. If i had pressure equipment, I would use that, but I don't. I use what I have and do the best I can [/QUOTE]
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What happened to the '06?
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