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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
AR10 barrels
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<blockquote data-quote="jbs2014" data-source="post: 1660647" data-attributes="member: 94052"><p>With other calibers I have been able to safely exceed the maximums posted in the reloading manuals. I get that I will not get the exact same velocity as what is posted by the manufacturer but I don't think I should be losing 100-120 FPS (more with other bullet weights). Also, all of my loading data for 6.5 CM is for a 24" barrel. The other reason why I suspect that it is the barrel is that I am getting pressure signs way too early in <strong>every</strong> powder I use, something I have yet to encounter in any of the other calibers that I load for. Not to mention the fact that I have yet to find any bullet/powder combination yields better than 1.5 MOA</p><p></p><p>I changed out the barrel on my .338-378 and it now holds 1/2 MOA and an ES of 11 FPS with a 275 grain RMB. I have not even annealed the .338-378 brass yet which should lower the ES further. Before that I could maybe get it to hold 2 MOA.</p></blockquote><p></p>
[QUOTE="jbs2014, post: 1660647, member: 94052"] With other calibers I have been able to safely exceed the maximums posted in the reloading manuals. I get that I will not get the exact same velocity as what is posted by the manufacturer but I don't think I should be losing 100-120 FPS (more with other bullet weights). Also, all of my loading data for 6.5 CM is for a 24" barrel. The other reason why I suspect that it is the barrel is that I am getting pressure signs way too early in [B]every[/B] powder I use, something I have yet to encounter in any of the other calibers that I load for. Not to mention the fact that I have yet to find any bullet/powder combination yields better than 1.5 MOA I changed out the barrel on my .338-378 and it now holds 1/2 MOA and an ES of 11 FPS with a 275 grain RMB. I have not even annealed the .338-378 brass yet which should lower the ES further. Before that I could maybe get it to hold 2 MOA. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
AR10 barrels
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