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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma Mag build, finally shooting
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<blockquote data-quote="stonehands1" data-source="post: 1650121" data-attributes="member: 88929"><p>If it closes hard you'll want to set the die a little deeper to bump the shoulder back a couple more thou. It's the reason bigger magnum cartridges cant neck size only. As stated before if it closes hard it will open hard. My Smith makes me guages with my reamer out of scraps of barrel that I use for headspace guage. .002/.004 works well. </p><p>Also try rl33 or imr8133 as good powders for NM heavies. N570 is a unicorn powder. N565 is easier to get and will probably work well also.</p><p>Retumbo might be a touch fast leaving some speed on the table.</p></blockquote><p></p>
[QUOTE="stonehands1, post: 1650121, member: 88929"] If it closes hard you'll want to set the die a little deeper to bump the shoulder back a couple more thou. It's the reason bigger magnum cartridges cant neck size only. As stated before if it closes hard it will open hard. My Smith makes me guages with my reamer out of scraps of barrel that I use for headspace guage. .002/.004 works well. Also try rl33 or imr8133 as good powders for NM heavies. N570 is a unicorn powder. N565 is easier to get and will probably work well also. Retumbo might be a touch fast leaving some speed on the table. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma Mag build, finally shooting
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