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.308 w/ Heavy Bullets
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<blockquote data-quote="AZ82New" data-source="post: 3089895" data-attributes="member: 120858"><p>All,</p><p></p><p>I have been messing around with 308 lately. I was initially working with 130 class monos trying to run them fast. In my particular rifle, I could not get them to group.</p><p></p><p>So I just went the other direction, if I cannot get high velocity, I'll get ridiculously high bc. Granted, this is all just an exercise on paper currently. Meaning, plugging values into a bc calculator and seeing velocity, drift and energy numbers at extended range. Game performance is completely theoretical other than one YouTube video of one animal from a guy in New Zealand.</p><p></p><p>Important, I bought some Alpha 308 smaller primer brass. So I am loading about 1.5 grains over max Hodgon load data here. I'm getting away with that, anything more and I start seeing pressure signs if I torture test the load (fast 10 shot strings). Definitely do not try this with soft brass (Cough….Hornady).</p><p></p><p>Here is what I came up with:</p><p></p><p>212 ELDX at 2,517 fps. The 10 shot SD is 6.5 and the ES is 17 fps. I'm using Varget. Staball Match was a little more accurate but Varget was lower pressure. By the way, Staball Match is top shelf stuff. You should try it.</p><p></p><p>Oh, it's a 20 inch proof barrel. COAL is 2.801.</p><p></p><p>I'm printing one ragged hole groups with the above numbers. Again, you ain't gonna get there with ****** brass so don't try.</p><p></p><p>On paper, this is an elk load to 700 yards.</p><p></p><p>Do you guys think it will actually perform? Do I take this on an elk hunt?</p><p></p><p>**edit**</p><p></p><p>I don't actually intend to shoot an elk at 700 yards. I'm capping myself at around 500 yards. If I were to try at 700 yards, I would take my 300 PRC.</p></blockquote><p></p>
[QUOTE="AZ82New, post: 3089895, member: 120858"] All, I have been messing around with 308 lately. I was initially working with 130 class monos trying to run them fast. In my particular rifle, I could not get them to group. So I just went the other direction, if I cannot get high velocity, I'll get ridiculously high bc. Granted, this is all just an exercise on paper currently. Meaning, plugging values into a bc calculator and seeing velocity, drift and energy numbers at extended range. Game performance is completely theoretical other than one YouTube video of one animal from a guy in New Zealand. Important, I bought some Alpha 308 smaller primer brass. So I am loading about 1.5 grains over max Hodgon load data here. I'm getting away with that, anything more and I start seeing pressure signs if I torture test the load (fast 10 shot strings). Definitely do not try this with soft brass (Cough….Hornady). Here is what I came up with: 212 ELDX at 2,517 fps. The 10 shot SD is 6.5 and the ES is 17 fps. I'm using Varget. Staball Match was a little more accurate but Varget was lower pressure. By the way, Staball Match is top shelf stuff. You should try it. Oh, it's a 20 inch proof barrel. COAL is 2.801. I'm printing one ragged hole groups with the above numbers. Again, you ain't gonna get there with ****** brass so don't try. On paper, this is an elk load to 700 yards. Do you guys think it will actually perform? Do I take this on an elk hunt? **edit** I don’t actually intend to shoot an elk at 700 yards. I’m capping myself at around 500 yards. If I were to try at 700 yards, I would take my 300 PRC. [/QUOTE]
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