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Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

 
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  #36  
Old 02-28-2012, 09:21 AM
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Location: Boise, ID
Posts: 695
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Eric,

Just a bug in your ear to develop additional .338 offerings. 225ish & 250ish grains for the us Win Mag guys who aren't toting a Lapua's up and down mountains would be awesome.

Also, thanks to Berger for being the type of company that remains open to the input of it's users. It seems that no other company would modify their position as you have regarding best accuracy practices for their product, all based upon what those in the field are telling you.
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  #37  
Old 02-28-2012, 04:57 PM
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Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Hueco3,

Frankly, all I can tell you is that we don't know if a second sweet spot is needed (or if all bullets shoot in the same sweet spot) for either a magnum or standard cartridge. This brings up an interesting question that hasn't been covered yet.

Mike,

Thank you for your kind words. As far as I am concerned, shooters know more about shooting than anyone so their opinions and ideas matter most to me.

Admittedly, I have to consider what is possible and not possible (or much more difficult) but if we can try it to see if it works I'm all for it. As a shooter myself I am as excited about exploring new ground as anyone.

We do get feedback sometimes that we offer too many options and I understand this point. However, I don't see myself changing my stripes on this subject.

Regards,
Eric
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To strengthen your shooting skills go to the range.
To strengthen the shooting sports take a non-shooter with you.

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  #38  
Old 06-13-2013, 02:40 AM
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Posts: 2
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Sorry to bring the thread back from the dead, but I am hoping Eric or someone might have some info on using this test for a .223 Ackley I just got done putting together.

I have purchased a LOT of Bergers for this rifle thinking that I may have decent results with some or all of them.

The bullets I have in hand are:

90 VLD
82 BT Target
80.5 BT Target
80 VLD

As you can see, I went all in with Berger planning for this rifle.
So far, I have had great results with first shot hits on steel all the way out to 1000 yards, but have been unimpressed with the 5 shot grouping on paper @ 100 yards. I know it seems odd, but it is true.

I started this journey immediately after fire forming brand new Lapua match brass, so the only data I have is based on seating the 90's, 82's and 80's all at .035 off the lands in fire formed brass using CFE223 and Win WSR primers.

The measured velocities for each bullet were:

90 VLD @ 2629 FPS avg (5 shots)
82 BT TARGET @ 2838 FPS avg (5 shots)
80 VLD @ 2896 FPS avg (5 shots)

Shooting conditions were 950 ft. ASL, 84*F, Rel. Humidity 56% and 29.86 in/hg.

Rifle has a Brux (4 groove) 1:7 twist @ 24"

None of the listed bullets delivered exceptional groups on paper @ 100 yards, but EVERY bullet allowed me to ring a 12" piece of steel @ 1000 yards once I got the dope dialed for that particular bullet.

The 82 BT Target delivered EXCEPTIONAL accuracy @ 600 yards on steel, for a group that measured roughly 2-1/2"

After reading this article, I think I am going to try the jump ladder test with each of the bullets I have, and see where I end up on paper. I have over 1000 of each of these bullets on hand, so I really need to try and find out where the sweet spot is with each of them without wasting a bunch of them in the process.

Any suggestions?
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  #39  
Old 06-13-2013, 07:41 AM
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Join Date: Mar 2008
Location: SW Idaho
Posts: 1,148
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Quote:
Originally Posted by Boogaloo View Post
Sorry to bring the thread back from the dead, but I am hoping Eric or someone might have some info on using this test for a .223 Ackley I just got done putting together.

I have purchased a LOT of Bergers for this rifle thinking that I may have decent results with some or all of them.

The bullets I have in hand are:

90 VLD
82 BT Target
80.5 BT Target
80 VLD

As you can see, I went all in with Berger planning for this rifle.
So far, I have had great results with first shot hits on steel all the way out to 1000 yards, but have been unimpressed with the 5 shot grouping on paper @ 100 yards. I know it seems odd, but it is true.

I started this journey immediately after fire forming brand new Lapua match brass, so the only data I have is based on seating the 90's, 82's and 80's all at .035 off the lands in fire formed brass using CFE223 and Win WSR primers.

The measured velocities for each bullet were:

90 VLD @ 2629 FPS avg (5 shots)
82 BT TARGET @ 2838 FPS avg (5 shots)
80 VLD @ 2896 FPS avg (5 shots)

Shooting conditions were 950 ft. ASL, 84*F, Rel. Humidity 56% and 29.86 in/hg.

Rifle has a Brux (4 groove) 1:7 twist @ 24"

None of the listed bullets delivered exceptional groups on paper @ 100 yards, but EVERY bullet allowed me to ring a 12" piece of steel @ 1000 yards once I got the dope dialed for that particular bullet.

The 82 BT Target delivered EXCEPTIONAL accuracy @ 600 yards on steel, for a group that measured roughly 2-1/2"

After reading this article, I think I am going to try the jump ladder test with each of the bullets I have, and see where I end up on paper. I have over 1000 of each of these bullets on hand, so I really need to try and find out where the sweet spot is with each of them without wasting a bunch of them in the process.

Any suggestions?
Not sure why you are concerned with 100 yards when your 600 yard group is under .5 MOA!

There are a number of bullets, Bergers included, that don't stabilize completely until further distances. Try 200 yards and see if you don't get better results.

There could be other issues but this one is very likely considering the 600 and 1000 yard examples you gave.

HTH,

Scot E.
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  #40  
Old 06-13-2013, 01:49 PM
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Join Date: Jun 2013
Posts: 2
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Quote:
Originally Posted by Scot E View Post
Not sure why you are concerned with 100 yards when your 600 yard group is under .5 MOA!

There are a number of bullets, Bergers included, that don't stabilize completely until further distances. Try 200 yards and see if you don't get better results.

There could be other issues but this one is very likely considering the 600 and 1000 yard examples you gave.

HTH,

Scot E.
Thank you Scot,

I guess I am not really all that concerned about grouping on 100 yard paper when these bullets obviously perform well at greater distances. I do however use 100 yard paper to validate zero before I start reaching out with any platform at my local range.

I like your idea of trying to see what they do @ 200 however, and I had not even thought about the fact that they may not stabilize (well) until beyond 100 yards?

I will admit that I was ultra impressed with the group @ 600 yards using the 82 BT Target bullets. The 82's were basically an impulse buy that I made when I could not find any of the 80 VLD's at that particular point in time. The G1 BC numbers for the 82's being .432 vs .444 for the 80 VLD's was impressive enough for me to buy 10 boxes of them since they looked pretty good on paper when working up data in Quickload and QuickTarget.

I guess I will go back out with these same loads @ .035 off the lands as well as a batch using the jump ladder and see where they end up.
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  #41  
Old 08-07-2013, 01:59 AM
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Join Date: Jul 2013
Location: Sydney, Australia.
Posts: 15
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

This is a sensational thread and thanks to the guys from Berger to spend a little of the precious time to answer some questions.
I have read the entire thread and am very keen to do some testing with the Jam and Jump very much in my mind.

I'd like to ask a question.

What would be the preferred Berger projectile to use in a 308 Norma Magnum based on a Mark X Mauser Action with a 24" barrel and a 1-10 twist rate. It's a rather heavy profile barrel.

What would be the best choice... the 190 grain VLD's or the 210 grain VLD's. ?

I want to give this Long Range Hunting a fling on some feral goats and fallow deer.
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  #42  
Old 12-20-2013, 01:42 PM
Junior Member
 
Join Date: Nov 2012
Posts: 21
Re: Optimizing Precision And Accuracy From VLD Bullets By Eric Stecker

Gents,
Just bought a Savage 12 LRP - 260 Remington. I'm planning on reloading with VLD 140g, Lapua brass, H4350, and CCI primers. Think I'm go to go, just need help to determine the best method of measuring COAL. Any recommendations would be greatly appreciated. Oh, new to hand loading so, if I ask stupid questions, please bear with me.
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