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Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

 
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  #8  
Old 07-25-2012, 09:23 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

I had Kirby build me a 270 Amp. Long action with a 1 in 8 twist it's is built for this bullet. No mag box problems, currently I have been shooting the wildcat 169 ( vary hard to get) also tried the matrix 165's. I have occasionally looked in midway, sinclair but have not seen the bergers on there sight yet. do you know when they will be available to the public? I heard last April but havent found any yet, Where can I get some I am excited to try them. i know my gun will push them close to 3150 plus if I want. but 3000 is the sweet spot
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  #9  
Old 07-26-2012, 11:59 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Bob

Thanks for keeping us all posted. The preliminary tests look promising! I won't ask you when Berger plans to release this bullet, but I would like to ask if they are waiting for your testing to be complete before releasing the .277 bullet, and if so, how soon after your testing is complete will these be available at The Extreme Store?

I know the recommended twist is 8.5 but I know a few guys with 9 twist barrels that want to prove it

If you feel like sending me 20 or so I would be happy to report back for the 9 twist guys.
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  #10  
Old 07-26-2012, 02:10 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

We made a very limited run of these bullets to start testing with. When I am done with my testing and am sure I will not run short, I will take you up on your offer to test and report on the 1-9 twist.

As for the availability of the bullets when completed, of course I will have to ask Berger when they can run them next, but I would think withing a matter of weeks after final testing that we could be ready to send them out the door.
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  #11  
Old 07-26-2012, 10:55 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Bob,

It's good to see progress is being made.

I appreciate what it takes to bring such a highly specialized bullet to completion.

A 170 class bullet is optimum for larger 277 cartridges.

I hope that they can't be pushed to destVruction in the WSM.

I felt touch of anxiety when I saw the shape of the two groups.

My experience with heavy for caliber 277 bullets and "banana" group shape left large emotional scar.

My "bananas" were much much larger than those posted. Which, by the way, are out standing.

I'll be eagerly awaiting the opportunity to try them in the 8 twist, 3 groove AM @ 3400 or so. Hope they pass your tests, the first time.
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  #12  
Old 07-26-2012, 11:28 PM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

I will share a few more details with you guys. The initial test was done in a WSM with no lead in the throat at all. So this configuration was very finicky, and what we considered at the low end of the performance potential. As I write this, I have spent some time redesigning the reamer for the WSM for what we believe will be optimum performance. I actually bounced all my measurements off of Bryan Litz before we moved ahead on the design, he gave me all green light across the board. Now to be clear by saying optimum performance, I mean conventional speeds, 3000 fps plus. I hope to be testing this new configuration soon. We are feeling very confident the next round of testing will go better then the first, but never the less I need to go through the steps to make sure we are going in the right direction.

I will be reporting any movement on my end as soon as I can. Thanks for all your interest guys!
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  #13  
Old 07-28-2012, 10:40 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

So good to hear that things are moving forward. I should be on the short list for the second round of trials - pushing these bullets to their max velocity. I have a 277 AM (based on 338 Lapua case) with a 1 in 8 twist barrel. It shot the 195 gr. Wildcat bullets lights out. I'm hoping these bullets will become my answer. My 277 AM has be stuck in "park" way too long.
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  #14  
Old 07-28-2012, 11:32 AM
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Re: Berger .277 EOL Extreme Heavy Hybrid 170 Grain.

Update! When Eric and myself were discussing the portion of the testing that we felt was needed to try to destroy the bullets, we decided to get hold of Kirby directly for the test. Great news! He confirmed with me this morning that he is excited to throw some out of his Allen Mag! I will be sending bullets to him first thing Monday morning. Once he gets a chance to play with them, I will ask him to jump on here and give his report!
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