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Rifles, Reloading, Optics, Equipment
Reloading
Absolute Hammer load data
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<blockquote data-quote="jacob_strass" data-source="post: 2373059" data-attributes="member: 121256"><p>Got some .257 117 grain load data:</p><p>25 creedmoor 1-7" twist 26" preferred prefit on a bighorn origin</p><p>Primer was CCI 450 SRP magnum</p><p>Virgin Peterson 25 creedmoor brass</p><p>COAL on velocity testing was 2.761" have since settled on 2.755". 2.810" is touching the lands in my chamber.</p><p>Only tested Staball 6.5 so far, have some IMR 4451 I might try yet.</p><p>43 - 2948</p><p>43.3 - 2945</p><p>43.6 - 2943</p><p>43.9 - 2972</p><p>44.2 - 3026</p><p>44.5 - 3030</p><p>44.8 - 3033</p><p>45.1 - 3082 slight ejector</p><p>45.4 - 3095 </p><p>45.7 - 3115</p><p>46 - 3161</p><p>46.3 - 3154 slight ejector mark here to the end</p><p>46.6 - 3168</p><p>46.9 - 3173</p><p>47.2 - 3205</p><p>47.5 - 3215</p><p>Going to revisit some of the upper end charges once I get fireformed brass. Looks like my brass is a bit undersized for the chamber and I'm thinking that might be causing some of the ejector marks. Settled on 46 grains at 2.755" coal, average of 3149 SD 9.5 ES 25, shoots about .5 MOA. Might tune a bit more when the weather gets better. This is also the first shots down this barrel. So this could also go up when I get more rounds down the tube.</p></blockquote><p></p>
[QUOTE="jacob_strass, post: 2373059, member: 121256"] Got some .257 117 grain load data: 25 creedmoor 1-7” twist 26” preferred prefit on a bighorn origin Primer was CCI 450 SRP magnum Virgin Peterson 25 creedmoor brass COAL on velocity testing was 2.761” have since settled on 2.755”. 2.810” is touching the lands in my chamber. Only tested Staball 6.5 so far, have some IMR 4451 I might try yet. 43 - 2948 43.3 - 2945 43.6 - 2943 43.9 - 2972 44.2 - 3026 44.5 - 3030 44.8 - 3033 45.1 - 3082 slight ejector 45.4 - 3095 45.7 - 3115 46 - 3161 46.3 - 3154 slight ejector mark here to the end 46.6 - 3168 46.9 - 3173 47.2 - 3205 47.5 - 3215 Going to revisit some of the upper end charges once I get fireformed brass. Looks like my brass is a bit undersized for the chamber and I’m thinking that might be causing some of the ejector marks. Settled on 46 grains at 2.755” coal, average of 3149 SD 9.5 ES 25, shoots about .5 MOA. Might tune a bit more when the weather gets better. This is also the first shots down this barrel. So this could also go up when I get more rounds down the tube. [/QUOTE]
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Reloading
Absolute Hammer load data
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