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Rifles, Reloading, Optics, Equipment
Reloading
300win mag 215 berger help
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<blockquote data-quote="Zeke-BE" data-source="post: 1344434" data-attributes="member: 102600"><p>My 300 WM took about 40 rounds before they started to increase in Velocity. My 300wm sounded like yours! I tried every seating depth, and every grain of H1000 but my Remington 26" barrel just did not like H1000. Like you I found some .80" at 2950 fps but I was not happy with that. I tried IMR 7828ssc 70g at 2830 fps. I ended up at .222 MOA and shooting at 540 yards I was right under 3 inchs. My belief, but Im no pro reloader like some on here but, is that if you can do a bunch of loads over and over and it doesn't even get close to what you want, it will take another bunch of loads to even get somewhat close to what you want. </p><p>Once I switched over to IMR 7828ssc after 20 rounds fired I found a nice node and great groupings. Then work on that. I haven't seen or heard of a load as of yet (unless someone can chime in and tell us) that after all you can do and you end up with a 1" load and by changing primers, seating depth, .01 grain of powered, neck trimming, and then it turns into a 1/4 MOA.. Maybe they get it down to .80 if lucky a .60 but not drastically to a .25</p></blockquote><p></p>
[QUOTE="Zeke-BE, post: 1344434, member: 102600"] My 300 WM took about 40 rounds before they started to increase in Velocity. My 300wm sounded like yours! I tried every seating depth, and every grain of H1000 but my Remington 26" barrel just did not like H1000. Like you I found some .80" at 2950 fps but I was not happy with that. I tried IMR 7828ssc 70g at 2830 fps. I ended up at .222 MOA and shooting at 540 yards I was right under 3 inchs. My belief, but Im no pro reloader like some on here but, is that if you can do a bunch of loads over and over and it doesn't even get close to what you want, it will take another bunch of loads to even get somewhat close to what you want. Once I switched over to IMR 7828ssc after 20 rounds fired I found a nice node and great groupings. Then work on that. I haven't seen or heard of a load as of yet (unless someone can chime in and tell us) that after all you can do and you end up with a 1" load and by changing primers, seating depth, .01 grain of powered, neck trimming, and then it turns into a 1/4 MOA.. Maybe they get it down to .80 if lucky a .60 but not drastically to a .25 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300win mag 215 berger help
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