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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 To Ackley or Not
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<blockquote data-quote="TOM H" data-source="post: 99865" data-attributes="member: 306"><p>FM, When you get to looking at bullets like the Scirocco's etc they are a pretty long bullet and they take up case capacity which effects velocity. Bullet with a real high BC will help out on the energy big problem with the #'s you gave with a 180gr bullet the drop at 600/700 yds is around 10ft. Don't get me wrong when I say this, I like the ackley case have 8 of them but at some point you need to look at case capacity along with a bullet to make sure everything balances out. </p><p>I don't own an Allen Mag rifle but if you look at the case they are build off it provides enought case capacity to more than handle bullets at long range hunting. 600/700 yd hunting you need a case that will handle 70grs plus of powder. IMHO you need to cut the bullet drop in half to around 60" or less oin the data you gave. In my hunting rifles once I get a load they it's chronographed and then I can figure what the max ranges is based on energy @ 1000 ftlbs and with the ballistics programs that not to hard to figure out. Well good luck.</p></blockquote><p></p>
[QUOTE="TOM H, post: 99865, member: 306"] FM, When you get to looking at bullets like the Scirocco's etc they are a pretty long bullet and they take up case capacity which effects velocity. Bullet with a real high BC will help out on the energy big problem with the #'s you gave with a 180gr bullet the drop at 600/700 yds is around 10ft. Don't get me wrong when I say this, I like the ackley case have 8 of them but at some point you need to look at case capacity along with a bullet to make sure everything balances out. I don't own an Allen Mag rifle but if you look at the case they are build off it provides enought case capacity to more than handle bullets at long range hunting. 600/700 yd hunting you need a case that will handle 70grs plus of powder. IMHO you need to cut the bullet drop in half to around 60" or less oin the data you gave. In my hunting rifles once I get a load they it's chronographed and then I can figure what the max ranges is based on energy @ 1000 ftlbs and with the ballistics programs that not to hard to figure out. Well good luck. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 To Ackley or Not
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