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Long Range Hunting & Shooting
280 Ackley Improved
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<blockquote data-quote="B-P-UU" data-source="post: 1497128" data-attributes="member: 29114"><p>Below is the data I have. Keep in mind, I was basically looking for pressure / velocity so haven't done any accuracy testing yet. This was all shot with a 25" barrel.</p><p></p><p>Nosler brass, 168 H-VLD, 210M primers, RL-26, 60 degrees:</p><p>61 gr = 3,130 fps (pressure)</p><p>61.5 gr = 3,160 fps (heavy extractor, pressure)</p><p></p><p>these were the first 2 shots trying RL-26. Data was hard to come by so I started with what some guys were using for the new 175 gr. ELD-X bullet. this charge proved to be too much for my rifle, however. (I shot the 61.5 gr. load because I didn't believe my magnetospeed).</p><p></p><p>Nosler brass, 168 H-VLD, CCI 250 Primers, RL-26, 75 degrees:</p><p></p><p>58.5 - 2863 fps</p><p>59.0 - 29.2 fps</p><p>59.5 - 2931 fps</p><p>60.0 - 2927 fps</p><p>60.5 - 2997 fps</p><p></p><p>No signs of pressure or extractor marks</p><p></p><p>Nosler Brass, 175 Hornady ELD-X, CCI 250, RL-26, 75 degrees:</p><p></p><p>57.5 - 2791</p><p>58.0 - 2856</p><p>58.5 - 2879</p><p>59.0 - 2911</p><p>59.5 - 2926 *faint extractor mark</p><p>60.0 - 2983 *extractor mark</p><p></p><p>I retested some of the above with 210M primers and found velocity was better with them, but I cant find those notes.</p></blockquote><p></p>
[QUOTE="B-P-UU, post: 1497128, member: 29114"] Below is the data I have. Keep in mind, I was basically looking for pressure / velocity so haven't done any accuracy testing yet. This was all shot with a 25" barrel. Nosler brass, 168 H-VLD, 210M primers, RL-26, 60 degrees: 61 gr = 3,130 fps (pressure) 61.5 gr = 3,160 fps (heavy extractor, pressure) these were the first 2 shots trying RL-26. Data was hard to come by so I started with what some guys were using for the new 175 gr. ELD-X bullet. this charge proved to be too much for my rifle, however. (I shot the 61.5 gr. load because I didn't believe my magnetospeed). Nosler brass, 168 H-VLD, CCI 250 Primers, RL-26, 75 degrees: 58.5 - 2863 fps 59.0 - 29.2 fps 59.5 - 2931 fps 60.0 - 2927 fps 60.5 - 2997 fps No signs of pressure or extractor marks Nosler Brass, 175 Hornady ELD-X, CCI 250, RL-26, 75 degrees: 57.5 - 2791 58.0 - 2856 58.5 - 2879 59.0 - 2911 59.5 - 2926 *faint extractor mark 60.0 - 2983 *extractor mark I retested some of the above with 210M primers and found velocity was better with them, but I cant find those notes. [/QUOTE]
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