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Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

 
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Old 07-24-2012, 08:28 PM
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Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Over the last couple days I have been able to begin the initial testing of the .277 170 grain Berger EOL Extreme Heavy Hybrid bullet. For the testing McMillan was able to put together a prototype EOL MTN Xtreme Rifle chambered in 270 WSM. This is not the exact configuration we intend on going with in our rifle line, but would work for the initial testing.

Now to confirm, this bullets is 1.520" in length and 170 grains, with a estimated B.C. of .703. This is one slick bullet for sure!

Our testing is planned for 3 steps. 1st is to test the bullets at the speeds we consider on the lower end. 2nd is to absolutely try to destroy them at the most extreme speeds we can push them. 3rd is, if the bullet make it past step 2, to push them at conventional speeds. Currently step 1 is complete!

Today wrapped up, a success in my mind, pushing the bullet 2825 FPS out to 1000 yards for function, and accuracy, also checking the estimated B.C. calculations. I shot approx 100 rounds through the 1-8 twist bbl and hit dang near everything in sight! With the occasional bad wind call, a miss or two were claimed as well! But the point being at the initial test speed of 2825 the B.C. estimate stayed true, accuracy was in check, and function was perfect.

I will attach a couple pics of the average groups during testing. One is at 600 yards, which I consider closer long range shots, and the second is at the 1000 yard mark. The conditions were: 85 degrees with 60% humidity and was 28.20 barometric pressure. Definitely some parallax to deal with. We (Bob Beck, Eric Stecker, Bryan Litz) strongly believe when we ultimately begin to optimize the velocity for this bullet, the results will only stand to improve significantly. So I am excited to get to the next round of testing!
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Berger .277 EOL Extreme Heavy Hybrid 170 Grain.-img_0105.jpg   Berger .277 EOL Extreme Heavy Hybrid 170 Grain.-img_0104.jpg  

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Old 07-24-2012, 08:34 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Mr. Beck

What's your thought about pushing them in a mark 5, 270 WBY Mag? How do you think they will preform? Looks very promising!
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Old 07-24-2012, 09:28 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

The free-bore in the Weatherby would possibly be favorable for seating this long bullet in regards to case capacity. However you would still be up against the maximum length of the magazine box. The biggest hurdle I see, is that the Weatherby is most likely a 1-10 twist bbl. This bullet is rated for a minimum of a 1-8.5 twist.
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Old 07-24-2012, 09:37 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Awesome!! Looking forward to the velocity getting up where it needs to be for max long range enjoyment I would love it if they would take 3300-3400fps!!
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Old 07-25-2012, 09:24 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Where is royinidaho when you need him?!

That 270AM might be just the ticket for pushing this new pill "as fast as it can go"


So Bob, when is the extreme weight 6.5 scheduled?


Nice shooting as always.


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Old 07-25-2012, 10:14 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

We have discussed the 6.5 a several times. It is on the back burner right now with this new .277 and the 7mm, 195 in the works. Once we achieve success in the field with these two, we will be moving toward adding new bullets to the EOL Extreme Heavy Hybrid line.
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Old 07-25-2012, 10:17 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

6.5! 6.5! 6.5! 6.5!

My original inquiry was more of a shot-in-the-dark/prayer. I'm excited to see gents such as yourself pushing the envelope as we ALL benefit from the results. Keep it up.



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