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Hunting
Long Range Hunting & Shooting
300 WSM 210 vs 215 Berger
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<blockquote data-quote="SavageShtr" data-source="post: 1029605" data-attributes="member: 15118"><p>RL-17 is temp sensative but if you figure out what the change is in fps per degree in change you should be fine. I use RL-17 in my 300wsm with the 168gr Hybrid for groundhogs and mid range deer hunting and works great in any temperature. Once you know how many fps per degree your load changes you can plug that into the shooter app and will change your velocity based on the current conditions to get the correct drops. I wouldn't be afraid to use any powder out there if it works for your load, just might have to do a little more work. You will need an accurate chrono to do this because you will need to get velocity and temp readings for those couple of range sesions to do it. Take for instance you went out and it was 38f and your load averaged 2850fps then you went out again a different day and the temp was 56f and had an average velocity of 2875. You know you had a difference of 18 degrees and a velocity change of 25fps, so just using those numbers take 25/18 and you would get a 1.39fps change per degree of temp change for that load.</p></blockquote><p></p>
[QUOTE="SavageShtr, post: 1029605, member: 15118"] RL-17 is temp sensative but if you figure out what the change is in fps per degree in change you should be fine. I use RL-17 in my 300wsm with the 168gr Hybrid for groundhogs and mid range deer hunting and works great in any temperature. Once you know how many fps per degree your load changes you can plug that into the shooter app and will change your velocity based on the current conditions to get the correct drops. I wouldn't be afraid to use any powder out there if it works for your load, just might have to do a little more work. You will need an accurate chrono to do this because you will need to get velocity and temp readings for those couple of range sesions to do it. Take for instance you went out and it was 38f and your load averaged 2850fps then you went out again a different day and the temp was 56f and had an average velocity of 2875. You know you had a difference of 18 degrees and a velocity change of 25fps, so just using those numbers take 25/18 and you would get a 1.39fps change per degree of temp change for that load. [/QUOTE]
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300 WSM 210 vs 215 Berger
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