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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Unstable 180 gr Bergers in 7mm Rem Mag
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<blockquote data-quote="brentc" data-source="post: 950341" data-attributes="member: 16938"><p>This reminds me of another point entirely. I always heard about bullets "going to sleep" so to speak, or Bergers need time to stabilize. With my current load of RL33 and 180s this plays out more than I've ever seen. My hunting load with this combo shoots a solid .6 out to 200 yards, however when I push it out past 400 yards the groups shrink to .3 MOA and sometimes smaller. I had my 7 RM out yesterday to verify my load prior to my bear hunt next week and the dang thing printed a nice triangle shaped 1.5" three shot group at 530 yards out of cold clean 28" 1 in 9 Pacnor barrel. Whatever the reason, I'll take it. Especially at 3140 fps.</p><p> </p><p>I guess my main point is that sometimes rifle barrels do the unexpected. It seems weird to me that the OPs barrel is not stabilizing to 750 after printing solid groups at 600, but it is not beyond the realm of possibility in regards to dynamic stability.</p></blockquote><p></p>
[QUOTE="brentc, post: 950341, member: 16938"] This reminds me of another point entirely. I always heard about bullets "going to sleep" so to speak, or Bergers need time to stabilize. With my current load of RL33 and 180s this plays out more than I've ever seen. My hunting load with this combo shoots a solid .6 out to 200 yards, however when I push it out past 400 yards the groups shrink to .3 MOA and sometimes smaller. I had my 7 RM out yesterday to verify my load prior to my bear hunt next week and the dang thing printed a nice triangle shaped 1.5" three shot group at 530 yards out of cold clean 28" 1 in 9 Pacnor barrel. Whatever the reason, I'll take it. Especially at 3140 fps. I guess my main point is that sometimes rifle barrels do the unexpected. It seems weird to me that the OPs barrel is not stabilizing to 750 after printing solid groups at 600, but it is not beyond the realm of possibility in regards to dynamic stability. [/QUOTE]
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Unstable 180 gr Bergers in 7mm Rem Mag
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