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Hunting
Extreme Long Range Hunting & Shooting (ELR)
My New Defensive Edge LRKM
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<blockquote data-quote="Needtohunt" data-source="post: 840323" data-attributes="member: 40482"><p>Jeff</p><p>you are the reason I am making my first post. Years ago you recommended H1000 for the 210VLD in a 30-378. I shot that combo for a round count of 700 rounds with no throat damage at all. Accuracy with that combo was fantastic, terminal performance not so good. Then I tried a load with RL25 and 150gr just for fun to see what velocity it would run and did severe damage to the throat. End of 150 test. Still wanting more speed as I was having inconsistant terminal expansion with the 210s I tried WC872, H50BMG, US869 all with no success. Then I tried Vv N570 and found a load for the 210s and have been using it ever since. I picked up over 300fps and terminal ballistic issues went away. My round count with Vv N570 is at 400 now. I am running them as hot as the weatherby brass will stand and the throat is showing mud cracking now. I too hunt in all temperatures so temperature stability in a powder is important. I developed my load at 95*F and shot 760 yd groups as cool as 27*F with only minimal trajectory variation. I also believe you will like the pressure stability of N570. Some powders work fine till you start trying to crank up the boost and the pressure spikes unexpectedly. The N570 lets you decide how much pressure you want to use without spikes. Yes it will burn the barrel but not as bad as some and I dont know of any single base powder that will give you the velocity you want. I think you will be pleased with the overall performance of this powder considering the goal.</p><p>Thanks for the H1000 info years ago - 5.125" groups at 1000 yds with an Accumark</p><p>Love your new rifle right out of my dreams!</p></blockquote><p></p>
[QUOTE="Needtohunt, post: 840323, member: 40482"] Jeff you are the reason I am making my first post. Years ago you recommended H1000 for the 210VLD in a 30-378. I shot that combo for a round count of 700 rounds with no throat damage at all. Accuracy with that combo was fantastic, terminal performance not so good. Then I tried a load with RL25 and 150gr just for fun to see what velocity it would run and did severe damage to the throat. End of 150 test. Still wanting more speed as I was having inconsistant terminal expansion with the 210s I tried WC872, H50BMG, US869 all with no success. Then I tried Vv N570 and found a load for the 210s and have been using it ever since. I picked up over 300fps and terminal ballistic issues went away. My round count with Vv N570 is at 400 now. I am running them as hot as the weatherby brass will stand and the throat is showing mud cracking now. I too hunt in all temperatures so temperature stability in a powder is important. I developed my load at 95*F and shot 760 yd groups as cool as 27*F with only minimal trajectory variation. I also believe you will like the pressure stability of N570. Some powders work fine till you start trying to crank up the boost and the pressure spikes unexpectedly. The N570 lets you decide how much pressure you want to use without spikes. Yes it will burn the barrel but not as bad as some and I dont know of any single base powder that will give you the velocity you want. I think you will be pleased with the overall performance of this powder considering the goal. Thanks for the H1000 info years ago - 5.125" groups at 1000 yds with an Accumark Love your new rifle right out of my dreams! [/QUOTE]
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My New Defensive Edge LRKM
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