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Let’s Talk 12GA From Hell

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hubel458 View Drop Down
.30/06 SpringField
.30/06 SpringField


Joined: 19 January 2006
Location: United States
Status: Offline
Points: 362
Post Options Post Options   Thanks (0) Thanks(0)   Quote hubel458 Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2018 at 21:56
Here is sectioned 585  HE case in the middle, we first  made from

another case, years ago  before we had factory run of brass and

 it had perfect thickness on the sides and inside corrner.

We could fire them many times without sides thinning..

First case is  factory run of  our 585 HE,  3rd  is case that is too 

thick of  sides and sticks at high pressures..

 

Pic of  our factory run cases necked down to 375 and fired 4 times

at high pressure on the right,  with unfired case on the left. 

Our case is not perfect but does work...Ed

Ed Hubel
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hubel458 View Drop Down
.30/06 SpringField
.30/06 SpringField


Joined: 19 January 2006
Location: United States
Status: Offline
Points: 362
Post Options Post Options   Thanks (0) Thanks(0)   Quote hubel458 Quote  Post ReplyReply Direct Link To This Post Posted: 09 July 2018 at 21:27
About 416 cal bullets............

The heaviest 550 gr for Extreme ELR probably  be best 8 to 1  twist , in 416 caliber bullet,
and 520 gr 9.5 to 1, and 470gr 10 to one, Some barrels I picked up are  10 to 1.......

Now a novel idea is to lighten rear of bullet with small shallow hole drilled in base, might do better
long range.which would allow 10 to one barrel stabilize the heavier 550 gr bullets for ELR.
Making bullet nose heavier makes it more stable in flight, needing less spin,
like our hollow base 585 cal minie bullets only need 48 to 1 twist, or less
while out regular 585 bullets need about 24 to 1 to stabilise them..............

The winner of the King Of 2 Mile shoot last week was using 416 Barrett with a 1 to 10
twist, with a 500 gr CEB Lazer bullet, ...Robert Brantley, with Manners Stocks....

Paul Philips was third with a 416...

GOOD NEWS-- There is now an importer and seller of our 585 HE brass getting set up here,
 in US, hopefully will be in stock, few weeks........   http://bertrambrass.com  .. .. Caleb Hallet..

Have got another  intermediate size action besides the Montana PH our guys working on,
to do speed testingwith. It is  big long REM style action that can take our 416 HSM, ED
Ed Hubel
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