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Rifles, Reloading, Optics, Equipment
Reloading
BR vs ST. VS M
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<blockquote data-quote="ceard" data-source="post: 3027829" data-attributes="member: 128297"><p>I did email CCI a few days ago and have not heard back. The word I was missing in my search for info was brisance. Once I started typing that in, I was able to find all kind of test having been performed on a large range of primers. The BRs seem to be definitively slightly above CCI 200s with a much lower standard deviation. Worth noting that the I saw a couple of charts that where tested velocity and accuracy using the primers as the changing variable and the BR-2s did not always come out with the lowest standard deviation in those tests. Which brings up even more questions and outcomes that I rabbit holed down for a while.</p><p>I work in development, (not firearms the industry unfortunately) so my job is basically fixing problems that may or may not exist to make it "better". And we have been slow at work this week and I have had time to start researching some of this as I want to get back into reloading this year. I have realized that what I did before was pretty basic even if I did some load development, I pretty much stuck with a handful of powders most of the time (XBR, Lever, 4350) and primers where whatever I had. </p><p></p><p>But thankyou to all for the info I'm glad I asked and didn't just jump to some tests just to waste components.</p></blockquote><p></p>
[QUOTE="ceard, post: 3027829, member: 128297"] I did email CCI a few days ago and have not heard back. The word I was missing in my search for info was brisance. Once I started typing that in, I was able to find all kind of test having been performed on a large range of primers. The BRs seem to be definitively slightly above CCI 200s with a much lower standard deviation. Worth noting that the I saw a couple of charts that where tested velocity and accuracy using the primers as the changing variable and the BR-2s did not always come out with the lowest standard deviation in those tests. Which brings up even more questions and outcomes that I rabbit holed down for a while. I work in development, (not firearms the industry unfortunately) so my job is basically fixing problems that may or may not exist to make it "better". And we have been slow at work this week and I have had time to start researching some of this as I want to get back into reloading this year. I have realized that what I did before was pretty basic even if I did some load development, I pretty much stuck with a handful of powders most of the time (XBR, Lever, 4350) and primers where whatever I had. But thankyou to all for the info I'm glad I asked and didn't just jump to some tests just to waste components. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
BR vs ST. VS M
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