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Rifles, Reloading, Optics, Equipment
Reloading
IMR 7828 300 Win mag?
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<blockquote data-quote="Roughwater" data-source="post: 1572326" data-attributes="member: 33915"><p>I know this is an Older thread but I came upon it as I was looking for load data for 7828 powder to be used in a 300 Win Mag and thought if I left some info here it might help someone doing a search similar to mine. Like the starter of this thread I have a lot of 7828 that I should start to put to good use. I am using 180 gn Swift Scirocco II bullets.</p><p>I loaded up 3 rounds with 3 different powders using 215M primers and the 180 gn Scirocco's and shot them from my 300 Win Mag savage long range hunter. This will be my back up Elk rifle for the 2019 hunting season. My velocity goal was 3000FPS.</p><p>The three bullets used the following loads of powder and got the velocities noted below:</p><p>1. H1000 - 79G - 2952 FPS</p><p>2. Magpro- 81.6 gn - 3060 FPS</p><p>3. IMR7828 - 75.2 gn - 3027 FPS</p><p>I used a Magnetospeed Chrony to obtain the above velocities.</p><p>I had been trying to use 780 powder but at 74 gn which is near or over max depending on which webiste you use I was still only getting 2932 FPS along with a puff of smoke.</p><p>I didn't like the smoke and seeing inconsistent velocity with 780 which is why I did the velocity test above. Please load responsibly. These are not starting loads so work up to them for your own safety. </p><p></p><p>With 7828 I reached my velocity goal so will attempt to use it as I have more 7828 powder than the other powders I tested and had good luck using it in the past so I will attempt to use it provided it gives me decent Accuracy. That's as far as I got at this time. If I remember I will come back and publish my results good or bad using 7828 in my Win Mag.</p></blockquote><p></p>
[QUOTE="Roughwater, post: 1572326, member: 33915"] I know this is an Older thread but I came upon it as I was looking for load data for 7828 powder to be used in a 300 Win Mag and thought if I left some info here it might help someone doing a search similar to mine. Like the starter of this thread I have a lot of 7828 that I should start to put to good use. I am using 180 gn Swift Scirocco II bullets. I loaded up 3 rounds with 3 different powders using 215M primers and the 180 gn Scirocco's and shot them from my 300 Win Mag savage long range hunter. This will be my back up Elk rifle for the 2019 hunting season. My velocity goal was 3000FPS. The three bullets used the following loads of powder and got the velocities noted below: 1. H1000 - 79G - 2952 FPS 2. Magpro- 81.6 gn - 3060 FPS 3. IMR7828 - 75.2 gn - 3027 FPS I used a Magnetospeed Chrony to obtain the above velocities. I had been trying to use 780 powder but at 74 gn which is near or over max depending on which webiste you use I was still only getting 2932 FPS along with a puff of smoke. I didn't like the smoke and seeing inconsistent velocity with 780 which is why I did the velocity test above. Please load responsibly. These are not starting loads so work up to them for your own safety. With 7828 I reached my velocity goal so will attempt to use it as I have more 7828 powder than the other powders I tested and had good luck using it in the past so I will attempt to use it provided it gives me decent Accuracy. That's as far as I got at this time. If I remember I will come back and publish my results good or bad using 7828 in my Win Mag. [/QUOTE]
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IMR 7828 300 Win mag?
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