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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
225 eldm
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<blockquote data-quote="Trnelson" data-source="post: 1313142" data-attributes="member: 42308"><p>I finally felt well enough to shoot again finally. Today</p><p>I tested two different seating depths with the Hornady 225 ELDM in my 30/338 Win mag. As usual, all shots taken at ambient barrel temperature...</p><p>Atmospherics: 48• wind 280@11kts 80% RH 29.82"HG</p><p>Brass- 233.8g third firing, annealed, neck sized </p><p>CBTO 2.633" 0.030" jump </p><p>Bullet- 224.6g 0.884" base to ogive</p><p>Load- 76.0g Norma 217 primer- Winchester large rifle magnum </p><p>Velocity- 2,736 SD 17 ES 48 magnetospeed </p><p>Accuracy- 2.14MOA </p><p></p><p>And the second load...</p><p>Brass- 233.8g third firing, annealed, neck sized </p><p>CBTO- 2.638" 0.035" jump</p><p>Bullet- 224.6g 0.884" base to ogive</p><p>Load- 76.0g Norma 217 primer- Winchesterarge rifle magnum</p><p>Velocity- 2,748 SD 15 ES 40 magnetospeed</p><p>Accuracy- 2.62MOA</p><p></p><p>This will conclude my testing of the Hornady 225 ELDM. I have tested every viable seating depth for my rifle from 0.010" jump to 0.050" jump (where the bullet contacts the powder). </p><p>No load shot better than 1.5MOA over a five shot ambient bore string. Two loads shot three ambient bore shots .5MOA, but the fourth and fifth opened the group to 1.5MOA or larger with vertical dispersion being the largest factor.</p><p>ES and SD over the entire test looked very promising with average ES of 24.4 fps and the lowest load delivering 9fps. The SD average over all the groups being 10.8fps with the best being 3fps. Unfortunately, that just never quite translated to paper, with horizontal dispersion average of the loads being 0.93MOA, and the vertical disperaion being 1.97MOA. </p><p>Clearly, my rifle just isn't into shooting these bullets. Certainly, differnt powders and primers could well have improved the results I exerienced. That being stated, I have a load that this rifle has proven to shoot 0.30MOA that I will to go straight back to for the rest of the barrel's life. If anyone is interested I have ~170 Hornady 225g ELDM bullets for sale...</p></blockquote><p></p>
[QUOTE="Trnelson, post: 1313142, member: 42308"] I finally felt well enough to shoot again finally. Today I tested two different seating depths with the Hornady 225 ELDM in my 30/338 Win mag. As usual, all shots taken at ambient barrel temperature... Atmospherics: 48• wind 280@11kts 80% RH 29.82"HG Brass- 233.8g third firing, annealed, neck sized CBTO 2.633" 0.030" jump Bullet- 224.6g 0.884" base to ogive Load- 76.0g Norma 217 primer- Winchester large rifle magnum Velocity- 2,736 SD 17 ES 48 magnetospeed Accuracy- 2.14MOA And the second load... Brass- 233.8g third firing, annealed, neck sized CBTO- 2.638" 0.035" jump Bullet- 224.6g 0.884" base to ogive Load- 76.0g Norma 217 primer- Winchesterarge rifle magnum Velocity- 2,748 SD 15 ES 40 magnetospeed Accuracy- 2.62MOA This will conclude my testing of the Hornady 225 ELDM. I have tested every viable seating depth for my rifle from 0.010" jump to 0.050" jump (where the bullet contacts the powder). No load shot better than 1.5MOA over a five shot ambient bore string. Two loads shot three ambient bore shots .5MOA, but the fourth and fifth opened the group to 1.5MOA or larger with vertical dispersion being the largest factor. ES and SD over the entire test looked very promising with average ES of 24.4 fps and the lowest load delivering 9fps. The SD average over all the groups being 10.8fps with the best being 3fps. Unfortunately, that just never quite translated to paper, with horizontal dispersion average of the loads being 0.93MOA, and the vertical disperaion being 1.97MOA. Clearly, my rifle just isn't into shooting these bullets. Certainly, differnt powders and primers could well have improved the results I exerienced. That being stated, I have a load that this rifle has proven to shoot 0.30MOA that I will to go straight back to for the rest of the barrel's life. If anyone is interested I have ~170 Hornady 225g ELDM bullets for sale... [/QUOTE]
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