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View Poll Results: Ultra High Velocity Or Normal Velocity And High Velocity
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Ultra High Velocity With Low BC Bullet
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3 |
5.26% |
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Normal Velocity With High BC Bullet
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54 |
94.74% |
 | High Velocity Of High BC |
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05-01-2008, 10:07 PM
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Hmmmmm at under 400 yards use the Speedy 66.7 grain flat base 6mm's that are smoking out of my barrel.
Over 400 use the high BC ones!!
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NRA Life Member And "Low Fencer"
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05-02-2008, 09:20 PM
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Senior Member
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Join Date: Aug 2006
Posts: 613
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Well, what are we considering "high" velocity? How about 58 grain V-Max @ 4500 fps vs. 105 grain Amax @ 3000 fps, with 10 mph wind. Big difference, about to enter into eskimo ballistics:
58 grainer @ 500 yards= 4.5 MOA drop, 4.5 MOA windage
58 grainer @ 500 yards= 23 MOA drop, 13 MOA windage
105 grainer@ 500 yards=8.6 MOA drop, 3.2 MOA windage
105 grainer@ 500 yards=28.1 MOA drop, 7.9 MOA windage
In conclusion, even with the most extreme cases high BC wins again.
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05-11-2008, 07:59 PM
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BC for me....dialing ele is like cheatin'.....but guessing wind is akin to voodoo for me.
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05-11-2008, 08:19 PM
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Senior Member
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Join Date: Mar 2004
Location: Danville, PA
Posts: 202
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Why can't I have a fast bullet with with a high B/C? .338-408 Cheytec anyone?
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Montour County, the smallest county in PA with the biggest rifles
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05-11-2008, 10:18 PM
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Senior Member
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Join Date: Feb 2005
Location: USA
Posts: 1,636
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338/408= short barrel life.. 338 Edge, Laupa etc= good barrel life..
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range it,check the wind, dial in correction, aim and only one shot
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05-11-2008, 11:53 PM
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Senior Member
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Join Date: Mar 2004
Location: Danville, PA
Posts: 202
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I don't know anyone who has had a 338-408 long enough to tell how long the barrel life is. I'm on the verge of putting one together, what do you supose the life is?
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Montour County, the smallest county in PA with the biggest rifles
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05-12-2008, 12:03 AM
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Senior Member
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Join Date: Feb 2005
Location: USA
Posts: 1,636
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Do not know, but with about 145 grains of powder going off behind a 300 SMK seems to me that it will not be especialy good
__________________
range it,check the wind, dial in correction, aim and only one shot
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