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Rifles, Reloading, Optics, Equipment
Reloading
338 wm loading questions
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<blockquote data-quote="vitaminado" data-source="post: 1362598" data-attributes="member: 90319"><p>hello</p><p>I have a winchester xpr 338 win mag, 26" barrel</p><p>I'm loading with bullet hornady sst 225 gr, hornady brass, cci 250 primers and vihtavuori n160 powder.</p><p>3.376 OAL. 0.050" off the lands</p><p>I have measured speeds and these are the results:</p><p>71 gr: 2895 fps</p><p>71.5 gr: 2927 fps</p><p>72 gr: 2967 fps</p><p>there are no signs of overpressure</p><p></p><p>According to the hornady manual with 71.9 gr, 2800 fps are obtained with OAL 3.320</p><p>my loads get much more speed and I'm scared.</p><p>What is the cause?</p></blockquote><p></p>
[QUOTE="vitaminado, post: 1362598, member: 90319"] hello I have a winchester xpr 338 win mag, 26" barrel I'm loading with bullet hornady sst 225 gr, hornady brass, cci 250 primers and vihtavuori n160 powder. 3.376 OAL. 0.050" off the lands I have measured speeds and these are the results: 71 gr: 2895 fps 71.5 gr: 2927 fps 72 gr: 2967 fps there are no signs of overpressure According to the hornady manual with 71.9 gr, 2800 fps are obtained with OAL 3.320 my loads get much more speed and I'm scared. What is the cause? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
338 wm loading questions
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