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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My shiny new light .338 Norma Magnum build thread!!
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<blockquote data-quote="codyadams" data-source="post: 1830575" data-attributes="member: 87243"><p>Ok just finished up pressure work up with H-1000, RL-26 and IMR7828ssc and the 265 ABLR. Here is what I found:</p><p></p><p>Peterson brass</p><p>GM215M</p><p>Seated .070" off in standard CIP chamber, 3.535" OAL</p><p>16° F</p><p></p><p>H-1000:</p><p>87.5 - 2759</p><p>88.0 - 2773</p><p>88.5 - 2783</p><p>89.0 - 2812</p><p>89.5 - 2829</p><p>89.0 - 2818</p><p></p><p>Reloder 26:</p><p>85.0 - 2787</p><p>85.5 - 2792</p><p>86.0 - 2822</p><p>86.5 - 2843</p><p>87.0 - 2860</p><p>87.5 - 2863</p><p></p><p>IMR7828ssc:</p><p>84.0 - 2727</p><p>84.5 - 2759</p><p>85.0 - 2779</p><p>85.5 - 2801</p><p>86.0 - 2794</p><p>86.5 - 2829</p><p></p><p>Never had any signs of pressure whatsoever, 85.0-86.5 of RL26 all went in a .75" or so group, then the last two opened it up to 1-3/4" or so, 84.5-85.5 went in just under an inch, with the others it was around 2". I only got the last 3 on paper of H1000, I figured they would hit close enough to the Bergers and 285 Hammers that I didn't need a big sheet, but it took me 3 rounds to find where they were hitting. The last 3 of H-1000 made about a 1" group.</p></blockquote><p></p>
[QUOTE="codyadams, post: 1830575, member: 87243"] Ok just finished up pressure work up with H-1000, RL-26 and IMR7828ssc and the 265 ABLR. Here is what I found: Peterson brass GM215M Seated .070" off in standard CIP chamber, 3.535" OAL 16° F H-1000: 87.5 - 2759 88.0 - 2773 88.5 - 2783 89.0 - 2812 89.5 - 2829 89.0 - 2818 Reloder 26: 85.0 - 2787 85.5 - 2792 86.0 - 2822 86.5 - 2843 87.0 - 2860 87.5 - 2863 IMR7828ssc: 84.0 - 2727 84.5 - 2759 85.0 - 2779 85.5 - 2801 86.0 - 2794 86.5 - 2829 Never had any signs of pressure whatsoever, 85.0-86.5 of RL26 all went in a .75" or so group, then the last two opened it up to 1-3/4" or so, 84.5-85.5 went in just under an inch, with the others it was around 2". I only got the last 3 on paper of H1000, I figured they would hit close enough to the Bergers and 285 Hammers that I didn't need a big sheet, but it took me 3 rounds to find where they were hitting. The last 3 of H-1000 made about a 1" group. [/QUOTE]
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My shiny new light .338 Norma Magnum build thread!!
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