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300rum: 208amax or 240smk??

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Unread 10-03-2009, 01:09 PM
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Join Date: Oct 2004
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300rum: 208amax or 240smk??

For those already using the 300 RUm...

How does the 208 Amax compare to the 240 SMK from the external ballistics pov, taking into consideration average speeds obtained? Or, just what speeds in a 26 " barrel are you getting with these two bullets as an average, meaning an average of the ordinarily available powders and not the fastest velocity obtained with the best suited powder?

Is it realistic to look at 3000 + for the Amax and 2900 + for the 240 SMK??

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Unread 10-04-2009, 10:31 PM
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Join Date: Jun 2004
Location: Fort Shaw, Montana
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Re: 300rum: 208amax or 240smk??

I would think you will get a bit more then 3000 fps with the 208.

Out to 1000 yards, likely the A-Max will shoot flatter and be very similiar in drift because of its velocity advantage over the SMK.

The 240, for its weight really does not have an overly high BC for what it could have. With modern bullet designs, such as the A-Max, there is no reason why we should not be getting +.8 BC at least with this weight bullet.

As such, because of its BC and high weight which limits velocity, the lighter bullets can perform very well in comparision out to 1000 yards at least. at longer ranges, the 240 would start to pull away more.
Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

Farther, Faster and Flatter then ever before.

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Unread 10-05-2009, 10:21 AM
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Join Date: Oct 2004
Posts: 723
Re: 300rum: 208amax or 240smk??

Thanks Kirby.

Will stick to the 208 amax then.
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