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Rifles, Reloading, Optics, Equipment
Reloading
How close are RL17 and H4350?
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<blockquote data-quote="dogz" data-source="post: 2541000" data-attributes="member: 5429"><p>Thx Roughrice</p><p></p><p>When I work up loads that I'll be using year round (which is pretty much the only way I do it anymore) I do the load work during the summer. I'll shoot on our hotter days but not our hottest days (I just don't do much outdoors anymore when it's approaching triple digits). </p><p></p><p>I'm pretty comfy that if the load will work say in the 80's that it'll also work just fine in our colder weather. But, IMO it doesn't work well to the opposite. If one does the opposite and runs into a hot lot of powder then one will have issues. </p><p></p><p>As for temp sensitivity testing I pick 5 pieces of brass (virgin) that weigh the same, and use the same lot of powder and box of bullets and primers. I only use these components and don't use any other brass and or other powder lots etc (I am very comfy in saying that lots can vary 100 fps or so). </p><p></p><p>I try to have 3 test days that are in the 80's and I try to have 3 test days that are sub zero (the colder the better as we have more than a bit of elk hunting when it's sub zero). I like 3 different days for each (winter and summer) just to keep the chrono honest and if I hit some weird readings it tends to show up quickly. </p><p></p><p>I'm on the road and don't have my notes with me but I have found the vast majority of the powders to be very insensitive! Off the top of my head I can recall working with Varget, IMR and Hodgdon 4350's, 7828, R22, R17 and R26. Most likely some more in the mix just can't recall right now. </p><p></p><p>I just say that it's my opine that this is one the highest over rated things out there. I hear it all the time where people say that this or that powder isn't or is temp sensitive. Then when I ask, they've typically done no real testing regarding it. </p><p></p><p>Just one mans opinion and findings, hope you have a wonderful Memorial Day!</p></blockquote><p></p>
[QUOTE="dogz, post: 2541000, member: 5429"] Thx Roughrice When I work up loads that I'll be using year round (which is pretty much the only way I do it anymore) I do the load work during the summer. I'll shoot on our hotter days but not our hottest days (I just don't do much outdoors anymore when it's approaching triple digits). I'm pretty comfy that if the load will work say in the 80's that it'll also work just fine in our colder weather. But, IMO it doesn't work well to the opposite. If one does the opposite and runs into a hot lot of powder then one will have issues. As for temp sensitivity testing I pick 5 pieces of brass (virgin) that weigh the same, and use the same lot of powder and box of bullets and primers. I only use these components and don't use any other brass and or other powder lots etc (I am very comfy in saying that lots can vary 100 fps or so). I try to have 3 test days that are in the 80's and I try to have 3 test days that are sub zero (the colder the better as we have more than a bit of elk hunting when it's sub zero). I like 3 different days for each (winter and summer) just to keep the chrono honest and if I hit some weird readings it tends to show up quickly. I'm on the road and don't have my notes with me but I have found the vast majority of the powders to be very insensitive! Off the top of my head I can recall working with Varget, IMR and Hodgdon 4350's, 7828, R22, R17 and R26. Most likely some more in the mix just can't recall right now. I just say that it's my opine that this is one the highest over rated things out there. I hear it all the time where people say that this or that powder isn't or is temp sensitive. Then when I ask, they've typically done no real testing regarding it. Just one mans opinion and findings, hope you have a wonderful Memorial Day! [/QUOTE]
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How close are RL17 and H4350?
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