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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC 156gr Berger EOL twist dilemma
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<blockquote data-quote="Darryle" data-source="post: 2958118" data-attributes="member: 109917"><p>Was getting ready to order a #3 or #3b Bartlein, decided to use the twist stability calculator and it flip flops both sides of marginally stable/stable in our atmosphere/altitude depending on temperature with the 8 twist, 7.5 twist is fine. No plans to use monolithic bullets and I am limited to 3.010" magazine, so the 2.950" will be fine. Intended load data is 2850/2880ish depending on who you are asking, this is also with a 26" which I have no desire for on this rifle.</p><p></p><p>The #3 7.5 twist is available ready to ship, the #3b is special order or do I call them up and get a 7 twist on order. I could probably do flutes, but would rather not.</p><p></p><p>Plan to finish at 24", so the #3 will be slightly easier on the shoulder, roughly 4oz difference in blanks. McMillan Game Scout stock is 29ish oz and inlet for the #3 contour.</p><p></p><p>Order the #3 7.5</p><p>Order the #3b 8</p><p>Special order the #3 or #3b in a 7 or 8 twist?</p><p></p><p>*Edit to correct grammatical and spelling errors*</p></blockquote><p></p>
[QUOTE="Darryle, post: 2958118, member: 109917"] Was getting ready to order a #3 or #3b Bartlein, decided to use the twist stability calculator and it flip flops both sides of marginally stable/stable in our atmosphere/altitude depending on temperature with the 8 twist, 7.5 twist is fine. No plans to use monolithic bullets and I am limited to 3.010" magazine, so the 2.950" will be fine. Intended load data is 2850/2880ish depending on who you are asking, this is also with a 26" which I have no desire for on this rifle. The #3 7.5 twist is available ready to ship, the #3b is special order or do I call them up and get a 7 twist on order. I could probably do flutes, but would rather not. Plan to finish at 24", so the #3 will be slightly easier on the shoulder, roughly 4oz difference in blanks. McMillan Game Scout stock is 29ish oz and inlet for the #3 contour. Order the #3 7.5 Order the #3b 8 Special order the #3 or #3b in a 7 or 8 twist? *Edit to correct grammatical and spelling errors* [/QUOTE]
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6.5 PRC 156gr Berger EOL twist dilemma
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