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Rifles, Reloading, Optics, Equipment
Reloading
7MM Rem Mag, H4350, and 154gr SST's starting point?
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<blockquote data-quote="Clark" data-source="post: 817645" data-attributes="member: 6600"><p>Some of my measurements:</p><p></p><p><em>150 gr Ballistic tip moly 3.4" 66 gr H4350</em></p><p><em>3259 fps </em></p><p><em>3375 fps</em></p><p><em>3333 fps </em></p><p></p><p>Work up</p><p><em>Hodgdon web site:</em></p><p><em>162 gr HDY SPBT H4350 3.290" 58.0 gr 2799 fps 49,400 CUP</em></p><p><em></em></p><p><em>My work up H4350 162 gr interlock moly 3.34" </em></p><p><em>62.8 gr ok difficult primer insertion</em></p><p><em>65 gr ok difficult primer insertion</em></p><p><em>66. 5 gr ok difficult primer insertion</em></p><p><em>67.0 gr ok difficult primer insertion</em></p><p><em>67.5 gr easier primer insertion ...end work up </em></p><p></p><p>What does it all mean?</p><p>Backing off 4% powder charge from highest long brass life load would be 64.3 gr which is 11% higher than max published load.</p><p></p><p>There are white lies, lies, **** lies, and then there is 7mmRM published load data.</p></blockquote><p></p>
[QUOTE="Clark, post: 817645, member: 6600"] Some of my measurements: [i]150 gr Ballistic tip moly 3.4" 66 gr H4350 3259 fps 3375 fps 3333 fps [/i] Work up [i]Hodgdon web site: 162 gr HDY SPBT H4350 3.290" 58.0 gr 2799 fps 49,400 CUP My work up H4350 162 gr interlock moly 3.34" 62.8 gr ok difficult primer insertion 65 gr ok difficult primer insertion 66. 5 gr ok difficult primer insertion 67.0 gr ok difficult primer insertion 67.5 gr easier primer insertion ...end work up [/i] What does it all mean? Backing off 4% powder charge from highest long brass life load would be 64.3 gr which is 11% higher than max published load. There are white lies, lies, **** lies, and then there is 7mmRM published load data. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7MM Rem Mag, H4350, and 154gr SST's starting point?
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