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Long Range Bullets and Terminal Performance

 
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  #29  
Old 06-06-2008, 12:52 PM
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Originally Posted by goodgrouper View Post
Thanks.

Did you run the chart for 5500 feet elevation?
I ran it for 3300 fps and 6000' elev and 59 temp.

The advertised expansion vel for the AB is 1800 fps and I find it curious why it expanded at 1600? In the case where it hit the bone, I can understand, but the neck shot is puzzling. Maybe, heat friction on the bullet from an MV of 3300 and an extended TOF softened the jacket?
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  #30  
Old 06-06-2008, 01:00 PM
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On Berger vs AB, I would have to agree with GG as far as the AB probably the best *all around*. The Bergers probably edge out the AB's in long range ballistic performnace and possibly accuracy. Not from experience, but from everything I've seen and read.

I simply would not use a Berger for less than a 600 yd shot. JMO
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  #31  
Old 06-06-2008, 02:15 PM
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That would all depend on velocity. Big difference in 3300mv vs. say 2800.
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  #32  
Old 06-06-2008, 02:54 PM
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well what about the new AB 338 and 250 grains, it sould be better than the 225 grains
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  #33  
Old 06-06-2008, 05:55 PM
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Originally Posted by MontanaRifleman View Post
I ran it for 3300 fps and 6000' elev and 59 temp.

The advertised expansion vel for the AB is 1800 fps and I find it curious why it expanded at 1600? In the case where it hit the bone, I can understand, but the neck shot is puzzling. Maybe, heat friction on the bullet from an MV of 3300 and an extended TOF softened the jacket?
Well the chart you ran would just about been perfect then. Good guess.

I am curious where you found the data that AB's need 1800 fps to open? I have seen them open up as designed well below this speed. Anyhow, if that is their claim, the bullet in the neck shouldn't have opened but it did quite well.
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  #34  
Old 06-06-2008, 05:57 PM
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Originally Posted by Akkill View Post
well what about the new AB 338 and 250 grains, it sould be better than the 225 grains
I was hoping it would be but the advertised BC as of right now doesn't look as high as it should be.
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  #35  
Old 06-06-2008, 06:33 PM
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Originally Posted by 300saum View Post
That would all depend on velocity. Big difference in 3300mv vs. say 2800.
True, I figure 600 yds cause that's where the Berger bullet vel would be in the low 2000's.... and I'm just guessing that's where I would see more controlled expansion.
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