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Rifles, Reloading, Optics, Equipment
Reloading
Green788 - I think I'm getting closer to catching on to the OCW thing
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<blockquote data-quote="green 788" data-source="post: 102492" data-attributes="member: 3781"><p><strong>Re: Green788 - I think I\'m getting closer to catching on to the OCW th</strong></p><p></p><p><strong>"So I loaded 5 with the new seating depth, OCW powder weight and mixed brass, 3 W-W (lighter) and R-P (heavier). Result was about a 1 inch group at 200 yds. Velocities, as expected, were higher w/R-P brass but those shots did not excessively influence the group size."</strong></p><p></p><p>That's pretty much it. /ubbthreads/images/graemlins/smile.gif It sound like you found the OCW, and you found it by searching near the top of Hodgdon's powder charge range. That generally works--and believe it or not, many of Hodgdon's maximums turn out to be OCW load... I don't know why this is, but it seems to be the case more often than not.</p><p></p><p>I did an OCW "acid test" using some various brass cases for the .243 win. (It's important to note that I had worked up to the particular powder charge with <em>each</em> of the brass cases prior to this test). Here are those results...</p><p></p><p><img src="http://img.photobucket.com/albums/v114/green788/OCWacidtest.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>I've also shot sub MOA at 300 yards with the 57.5 grain charge of IMR 4350 behind Sierra's 165 grain Gameking in a 30-06--using five different brass cases and/or primers. </p><p></p><p>A good load will allow moderate pressure changes and it will still perform well.</p><p></p><p>Thanks for the post Roy. /ubbthreads/images/graemlins/smile.gif</p><p></p><p>Dan</p></blockquote><p></p>
[QUOTE="green 788, post: 102492, member: 3781"] [b]Re: Green788 - I think I\'m getting closer to catching on to the OCW th[/b] [b]"So I loaded 5 with the new seating depth, OCW powder weight and mixed brass, 3 W-W (lighter) and R-P (heavier). Result was about a 1 inch group at 200 yds. Velocities, as expected, were higher w/R-P brass but those shots did not excessively influence the group size."[/b] That's pretty much it. [img]/ubbthreads/images/graemlins/smile.gif[/img] It sound like you found the OCW, and you found it by searching near the top of Hodgdon's powder charge range. That generally works--and believe it or not, many of Hodgdon's maximums turn out to be OCW load... I don't know why this is, but it seems to be the case more often than not. I did an OCW "acid test" using some various brass cases for the .243 win. (It's important to note that I had worked up to the particular powder charge with [i]each[/i] of the brass cases prior to this test). Here are those results... [img]http://img.photobucket.com/albums/v114/green788/OCWacidtest.jpg[/img] I've also shot sub MOA at 300 yards with the 57.5 grain charge of IMR 4350 behind Sierra's 165 grain Gameking in a 30-06--using five different brass cases and/or primers. A good load will allow moderate pressure changes and it will still perform well. Thanks for the post Roy. [img]/ubbthreads/images/graemlins/smile.gif[/img] Dan [/QUOTE]
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Green788 - I think I'm getting closer to catching on to the OCW thing
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