VLD

hounddawg

New member
I can always get the SMK's to shoot in every rifle I have ever tried. Both targets shot at 300 yards. Cost for the .223 80 gn's cost is roughly the same with the Bergers costing a penny or two more but they shoot roughly the same for me. These were shot the same day, I shot the SMK's first and adjusted the scope down a bit for the Bergers

1.5 inch X and 3 inch ten rings
 

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stagpanther

New member
I think because of their complex ogives, center of pressure etc they are a little more demanding of fine-tuning than most other designs--but that's just a theory.
 

hounddawg

New member
I am not sure if my gear and talent are enough to see a difference. If I were a benchrest shooter with a custom rifle and normally shot in the .1's an zeros at 100 and in the .3's at 600 and 800 I might be able to tell a difference with Bergers.

Lately when I find a load I tend to stop development and work on technique. I am putting a new rifle together next week and may play with some Bergers and Hornady's for a change of pace
 

jmr40

New member
I've put 300-400 of the 155 and 168 gr 308's downrange. I can get Lapua Scenar's for about the same price and I like them better. And for significantly less Hornady ELD-M's are just as good with my shooting skills. If the Bergers are better I'm not good enough to take advantage of it.
 

stagpanther

New member
Bergers are funny birds--I've used the same charge weights and they may disperse big time depending on jump to lands--and it isn't always the shorter jumps that yield the better results. I agree eld's are great all-around bullets for good results. I bought some of their solid-tipped eld's and had a hard time finding the sweet spot with them though--and they are very expensive. Also interested in Nosler's new "game changers."

Don't hear much about Swift bullets either--but I've had some great results with their sciroccos/
 
Long ago someone put up measurements made with the Vern Juenke ultrasonic device that showed Bergers had better mass symmetry than most other makes. But the price puts folks off, the vast majority of whom are not shooting precisely enough for the advantage to be clear to them. And the secant ogive Berger VLD's need extra care to get good axial alignment in the bore (good cartridge concentricity, aka low runout). The newer Berger hybrid ogive design is supposed to overcome that disadvantage, but I haven't made a meaningful enough comparison yet to say it is true in my experience. I can only say at this point that the theory makes sense.
 
Keep in mind that thread is 11 years old. 2008 was the year Bryan Litz started working with them. They didn't have the hybrid ogive then. David Hamilton was brought in in 2010 and has applied quality control methods they didn't have previously. So I would assume the line is a better and much-debugged line by now.
 

hounddawg

New member
well I ordered 100 of the 105 hybrids earlier. Word on the street says around 30 gns of varget and a CCI 450 is pretty much a guarantee of sub .5 MOA performance in a 6BR. We shall see
 

Dufus

New member
On the Long Range Hunting forum, if you don't shoot Bergers, you are not serious about shooting. Also, somehow they all achieve astounding velocities with them. One guy posted that he can get 2700 fps with a 215 gr Berger in a 308 Win.

Personally, I have developed into a Nosler fan. I used to shoot Speer exclusively for hunting, but they are hard to find in my neck of the woods, plus, I don't like what they have come up with in order to "keep up with the Jones".
 

stagpanther

New member
odd that you made this thread Stag. Earlier today I was contemplating buying a box of Bergers to try in the new build after reading this article

https://precisionrifleblog.com/2019/...6br-load-data/

seems like the the vanilla 6BR 105 Bergers and 108 ELDM's are the schnitzel. I might come off my wallet and buy a box tonight
__________________
“How do I get to the next level?” Well, you get to the next level by being the first one on the range and the last one to leave.” – Jerry Miculek
My advice--get more than one box--maybe three or four--if you really want to find the "Eureka" load. : ) I think John hit the nail on the head about the bullet seating position and concentricity to the chamber/freebore--which means even after finding a good charge weight lots of experimentation with seating depth in my experience.

I'm traveling so don't have access to my load data--but I did have some great loads for my 6mm creed I found with the 105's. Also great results with hornady's 103 and 108 eld's.
 

std7mag

New member
I love Bergers!
And chocolate shakes! :D

In all seriousness, i shoot them in all but 1 centerfire rifle i own.
115gr VLD Hunting in the 250 Savage and 257 Roberts.
140 & 168gr VLD Hunting in all my 7mm.
7mm-08AI
284 Win
Two 280 Rems
7mm Rem Mag.

Used the 140 in my 7mm-08AI in my first 600 yard match.
Also same rifle took large doe at 413 yards with same 140gr bullet & load.
 
I don't know if it's the weight or the manufacturer, but it's well-known and I can confirm, that a 90 grain Berger VLD in 224 Valkyrie shoots less well than a Hornady 88 grain...at least to the best of my ability (and others, by reports).
 

stagpanther

New member
I don't know if it's the weight or the manufacturer, but it's well-known and I can confirm, that a 90 grain Berger VLD in 224 Valkyrie shoots less well than a Hornady 88 grain...at least to the best of my ability (and others, by reports).
I was an early adaptor of the valk--built three of them in various length/twist combinations; the valk is a perfect example of having to get it "just right" in the chamber, twist, seated depth and velocity. The 90 is heavy (though I came up with a great load for the 95 gr matchking) and in my experience needs fast twist and fast velocity to stabilize well. Hornady's 88 eld was the first 224 bullet that really addressed optimizing the design of the larger bullets used for the valk. Adding to the problem was a lack of consistency in applying "true" SAAMI standards for the chamber reamers used by the various manufacturers upon the roll-out of valk barrels. Federal's roll-out was less than graceful and came close to killing the valk IMO. Also it's better to switch to the small primer cases IMO.

I bought literally thousands of the 90 gr vld's before hornady's eld's were developed, so I sent quite a few of them out the various tubes in the search for a good load. I did find a couple of good ones, but it wasn't easy--and they tended to lose their accuracy and consistency pretty quickly with minor charge weight variations to either side of the optional weight.
 
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hounddawg

New member
My advice--get more than one box--maybe three or four--if you really want to find the "Eureka" load.

By the time I get through 50 - 100 rounds I will know whether the barrel likes them or not. I start with the Berger seating test @ 100 to see how they group and then fiddle with powder charge for SD's. If it looks promising I will get 500 or 1000
 
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I did a quick lookup of the 88-grain Hornady and the 90 grain Berger. The JBM stability estimator says the latter needs a faster twist below 2700 fps to get securely into the good behavior zone. The two bullets are close to the same weight and have the same length, but the Hornady has a 0.142" plastic tip, so it has less mass at the nose. That reduces the overturning moment of inertia around the center of gravity, allowing it to recover from initial yaw in fewer coning cycles given the same velocity and spin as the Berger. In other words, it is more easily stabilized.

Berger thinks the Valkyrie 7" twist should be enough to stabilize it. The JBM calculator thinks that's marginal in a standard atmosphere, and you need to be sure muzzle velocity is getting to at least 2700 fps in that atmosphere.

That said, Berger has a new offering the stability calculator likes better in the 7" twist. It's their new 85.5 grain Hybrid ogive long range target bullet.
 

Bart B.

New member
I think because of their complex ogives, center of pressure etc they are a little more demanding of fine-tuning than most other designs--but that's just a theory.
What's "center of pressure?"

Ok, that's center of force as I learned. No big deal.
 
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