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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 168gr Amax changes in BC at long range
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<blockquote data-quote="Kiwi Nate" data-source="post: 435832" data-attributes="member: 8533"><p>Hi all, I have been working with the 168gr Amax in a .308. Twist rate is 1-12, bullet jump is the usual .100" so there will be a small amount of yaw or precessional rotation effecting BC at long range.</p><p></p><p>What I am noticing is that at 2100fps, the BC drops only slightly, from .475 to .450. Below 1600fps (600 yards), the BC of the Amax as fired in this rifle, decreases drastically, to .38. </p><p></p><p>Would like to hear from anyone who has experienced similar results.</p></blockquote><p></p>
[QUOTE="Kiwi Nate, post: 435832, member: 8533"] Hi all, I have been working with the 168gr Amax in a .308. Twist rate is 1-12, bullet jump is the usual .100" so there will be a small amount of yaw or precessional rotation effecting BC at long range. What I am noticing is that at 2100fps, the BC drops only slightly, from .475 to .450. Below 1600fps (600 yards), the BC of the Amax as fired in this rifle, decreases drastically, to .38. Would like to hear from anyone who has experienced similar results. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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308 168gr Amax changes in BC at long range
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