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.308 / Berger VLD's of differing weights

 
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Old 02-12-2010, 07:58 PM
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.308 / Berger VLD's of differing weights

I recently picked up one box each of 4 different weights of Berger VLD's for my .308. They are:

168 gr VLD
185 gr VLD
190 gr VLD
210 gr VLD

The rifle is has a 26" barrel with 1:12 twist.

I have just started the process of determining a load to start with and I ran into a snag of sorts. When I started checking the stability factor of each bullet I discovered that the two heaviest bullets required a muzzle velocity of 3,000 fps to be stabilized. My Sierra manual stops at 2,400 - 2,500 fps for Sierra bullets around this weight. Now I'm not certain if I can achieve 3,000 fps mv without having pressure problems. On the other hand, they make the bullet so it can apparently be shot with some reliability.

The 210 VLD is a hoss if it can be shot at 3,000 fps mv Lots of energy and lots of distance available with it.

Any ideas?
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Last edited by Mike6158; 02-13-2010 at 06:55 PM.
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Old 02-12-2010, 08:29 PM
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Re: .308 / Berger VLD's of differning weights

I shoot a 208gr A-max in a 1-11tw 28" Hart using RL17 for a MV of 2610fps. But that's as fast as I can go while still being comfortable.

Powders to try for .308win heavy weights are:
RL17
VV-N540
VV-N550
W760
H4350


Have researched heavy weights in the .308win a lot and those are the powders I've come up with.

Oliver
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Old 02-12-2010, 08:58 PM
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Re: .308 / Berger VLD's of differning weights

Thanks Oliver,

I have good stocks of RL17 and 4350 so I'll give them a try.

While perusing the Berger site I found a good read on bullet weight / .308 / Palma vs Service Rifle. The 210 gr bullet is not recommended for service rifles due to the pressures required. That said, the 190 grain bullet is a strong performer so I'm good to go there.
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Old 02-12-2010, 10:23 PM
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Re: .308 / Berger VLD's of differning weights

I might be talking out my ass but I dont think you will get 3000 fps with any one of the bullets you listed out of the 308 win. I would say at best with the 168g VLD you could get 2800.

If it where me and I was shooting Bergers for hunting from the 308 win I would go with the 155g but thats just my opnion.
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Old 02-12-2010, 10:45 PM
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Re: .308 / Berger VLD's of differning weights

Yeah... 3,000 fps ain't happening. Not with decent (safe) pressures and the barrel that I have anyway.

That said- The Nosler manual lists some pretty interesting numbers for the heavier bullets. 50 grains of 4350 (compressed load btw) and a 180 gr bullet = 2,698 fps.

The point of going to a larger bullet is to be able to carry lethal energy to a large target at much farther range than my "normal" hunting bullet is capable of (150 gr Sierra ProHunter).

A quick trip to the Berger website will give a graphic representation for "why" I am investigating max loads with heavy bullets.

At least now I have a starting point...
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Old 02-12-2010, 10:50 PM
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Re: .308 / Berger VLD's of differning weights

You will have no problem getting the 190's to stabilize even at 308 velocities. The 210 really needs a bit more like 11x.

The Berger VLD's in a 308 will limit your range with the 308 since the starting velocity is low and the expansion requirments are high.

If you need a heavy load, look to the 200 SGK. If you need a long range medium game load, look to the 168-178 AMAX.
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Old 02-12-2010, 11:17 PM
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Re: .308 / Berger VLD's of differning weights

No offense dude but your post pretty much says that because they make a bullet in the calibre you want to shoot that it should be able to run at that speed in your cartridge just because it is the same calibre. Thats how people get hurt with that type of thinking. If that were the case, why would we need all the different cartridges
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