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Rifles, Reloading, Optics, Equipment
Reloading
300 Rum Load development help needed.
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<blockquote data-quote="Dell" data-source="post: 1660196" data-attributes="member: 80665"><p>Tried any IMR 7828 SC in that 300 RUM? I am a big Retumbo fan as well.When it was impossible to find a couple years ago I started experimenting for a friend I was reloading for (in 300 RUM, custom build, Rem. 700 action, Sendaro contour Schneider barrel). Actually, the 7828 was suggested by a Hodgdon tech guy when I called them about the Retumbo shortage. Went thru the load development process with the 190 VLD's and wow was I pleasantly surprised. Shot several 5 shot groups in the half MOA range with SD's in the single digit's every time. I have watched this friend kill elk with one shot drops out to 750 with this rifle and load and consistently ring steel at 1000 with it. Anyway, I was pleasantly surprised with the 7828 results and for my buds 300 RUM and the 190 Berger it's his powder of choice. </p><p>Brass was once fired, trimmed to length, primer pockets uniformed, bushing bump neck sized, shoulders bumped back .003, neck tension at .002, Fed. GM 215 M primers. Bullet jump at .015. Anyway, that's the set up that worked for that rifle.</p></blockquote><p></p>
[QUOTE="Dell, post: 1660196, member: 80665"] Tried any IMR 7828 SC in that 300 RUM? I am a big Retumbo fan as well.When it was impossible to find a couple years ago I started experimenting for a friend I was reloading for (in 300 RUM, custom build, Rem. 700 action, Sendaro contour Schneider barrel). Actually, the 7828 was suggested by a Hodgdon tech guy when I called them about the Retumbo shortage. Went thru the load development process with the 190 VLD’s and wow was I pleasantly surprised. Shot several 5 shot groups in the half MOA range with SD’s in the single digit’s every time. I have watched this friend kill elk with one shot drops out to 750 with this rifle and load and consistently ring steel at 1000 with it. Anyway, I was pleasantly surprised with the 7828 results and for my buds 300 RUM and the 190 Berger it’s his powder of choice. Brass was once fired, trimmed to length, primer pockets uniformed, bushing bump neck sized, shoulders bumped back .003, neck tension at .002, Fed. GM 215 M primers. Bullet jump at .015. Anyway, that’s the set up that worked for that rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 Rum Load development help needed.
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