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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 SHERMAN MAX
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<blockquote data-quote="jmden" data-source="post: 3005711" data-attributes="member: 1742"><p>A little more temp data on 62.7g N550, Berger 250g and the 25" barreled 338 Sherman Max. At 52F average of 2805 fps with no pressure signs. At 14F today with same load I was at 2750 fps MV. Still good ES, but dropped 55 fps. Hope this helps folks.</p><p></p><p>The odd thing is that I run N570 in a 338 Terminator with 300g Bergers and 106g runs 3050 fps at 50F and today ran 3050 at 14F. Clearly in these chamberings, there's some differences.</p></blockquote><p></p>
[QUOTE="jmden, post: 3005711, member: 1742"] A little more temp data on 62.7g N550, Berger 250g and the 25" barreled 338 Sherman Max. At 52F average of 2805 fps with no pressure signs. At 14F today with same load I was at 2750 fps MV. Still good ES, but dropped 55 fps. Hope this helps folks. The odd thing is that I run N570 in a 338 Terminator with 300g Bergers and 106g runs 3050 fps at 50F and today ran 3050 at 14F. Clearly in these chamberings, there's some differences. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 SHERMAN MAX
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