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Long Range Hunting & Shooting
Problems with 300wsm groups
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<blockquote data-quote="rscott5028" data-source="post: 481611" data-attributes="member: 24624"><p>This is a small sample size. But, it illustrates a trend that I've often heard about temperature stability being better in the Hodgdon Extreme powders than others...</p><p> </p><p>I just now eyeballed some averages from my records...</p><p> </p><p>Sendero 7mm Rem Mag</p><p>59.5gr RL22</p><p>98F = 2640 fps = -308" @1K</p><p>34F = 2550 fps = -331" @1k</p><p> </p><p>62.4gr H4831sc</p><p>92F = 2765 fps = -277" @1K</p><p>86F = 2750 fps = -280" @1K</p><p>79F = 2740 fps = -283" @1K</p><p>34F = 2720 fps = -287" @1K</p><p> </p><p>These are relatively light loads with 180g Bergers I worked up for my young son. </p><p> </p><p>Again, this isn't scientific. But, it seems to hint at one reason some powders are more popular for competition than others. </p><p> </p><p>-- richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 481611, member: 24624"] This is a small sample size. But, it illustrates a trend that I've often heard about temperature stability being better in the Hodgdon Extreme powders than others... I just now eyeballed some averages from my records... Sendero 7mm Rem Mag 59.5gr RL22 98F = 2640 fps = -308" @1K 34F = 2550 fps = -331" @1k 62.4gr H4831sc 92F = 2765 fps = -277" @1K 86F = 2750 fps = -280" @1K 79F = 2740 fps = -283" @1K 34F = 2720 fps = -287" @1K These are relatively light loads with 180g Bergers I worked up for my young son. Again, this isn't scientific. But, it seems to hint at one reason some powders are more popular for competition than others. -- richard [/QUOTE]
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Problems with 300wsm groups
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