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12GA From Hell

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12GA From Hell

Old 11-11-2006, 02:03 AM
  #91  
 
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Default RE: 12GA From Hell

Wow, I'm new so haven't seen this before, you guys have created a monster hubel!!!!!!!!!
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Old 11-12-2006, 03:32 PM
  #92  
Fork Horn
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It sure has been a fun experience.It is only
a little like a monster. With thick pads and weight
it great. Ed
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Old 11-12-2006, 11:25 PM
  #93  
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Hot Damn- Test Results of 4 plastic cases.
Rem high base 3" case, with 600 gr
Dixie hardened slug. Roll crimped with
crimper in drill press. All 4 loaded with
90 gr of 4759. We have a winner.
Average velocity of 4 -- 1938 fps
Average pressure of 4 -- 14, 575 psi.
tested with transducer test ing setup,
in 30 inch barrel,In my 24" NEF I got 1800+.
Cases fell out of his test chamber like they did out of my NEF.And with some cases I can get in 95gr, that I figured with my math would
have 15k psi.So my math and developement is
OK.And 4800 ft lbs, thats neat with plastic.
Tom says this load will do in any gun that handles the 2 oz
factory magnum goose loads
that test about 13,600 to 14,000.And 4759
will give slower time to peak pressure, thus
will be easier on cases than magnum goose loads
or the hot factory Buckhamer slug loads
I fired, that expanded cases as much or more
than our 4759 loads.Ed

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Old 11-16-2006, 02:26 AM
  #94  
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Default RE: 12GA From Hell

Buckhammer 3 "factory loads are 15k psi.
A 2.75 inch case with 80 gr of 4759, a thin card wad,
a 3/8 cushion lubed felt wad, when crimped is about
2.4 inches long, with 600gr Dixie slug. Based on
pressures recorded in previous post for 3 inch case
and 90gr of 4759, they will run about 13,400 psi,
and work through modern guns.Another load tested with
same bullet, 65gr of 4759, tested at same place
was 11,800 psi and 1640 fps. So you don't have
to put in my max loads, but go down a
little and use in modern guns that
are lighter than NEF so they don't kick so bad.But yet
you can get fairly good energy levels for big game, 3300
to 4000 ft lbs of energy.Ed

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Old 11-22-2006, 12:02 AM
  #95  
Fork Horn
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Here is picture of case fired 25 times,
in my 700HE test barrel, to show you
how cases stretch and thinout from
repeated firings of high pressure loads.
You can see where it is thinning just
above the belt. Half of the loads were
high pressure loads. Regular 10,000 ft
lb loads wouldn't stretch cases at all.
This is made from bmg brass like our
12GA FH. 700 is belted and 12ga has rim.Ed

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Old 11-26-2006, 11:36 PM
  #96  
Fork Horn
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Default RE: 12GA From Hell

Some research. Anyone with a Mauser converted
to 12ga shotgun can fire our 4759 loads.
One was the GEHA, other REMO. The locking lug for bolt is the rear safety lug and if you wanted an extra lug do an Ed on the bolt
handle base to make contact between bolt handle and bolt handle recess.They are not long enough
for our full length case, but came with 2 3/4"
chamber and magazine.Were 2 shot large ring
converted military mausers.Studying this gun lead me to the idea that a fancy 12ga with 3" chamber could be made by the same thing that Germans did to the Mauser to make GEHA. Just use
a S&L, Colt Sauer, etc, with rear locking lugs.
Grind out inside diameter of action from rear reciever forward so 12ga case will feed, Rear of bolt will still center ok as lugs and metal
are there. The silver solder combination guide extension to support 12ga case on the left side
of bolt, and put extractor on right side.
Like a Sako or whatever.Face off the recess on front off bolt flat, Put in 12ga barrel with chamfers to clear extractor.A 788 Rem
may work, at least with a 2.75" case.
For repeater action, Open mag
well to hold a single stack of 1 or 2
12ga cases.Fancy gunwrighters badmouthed
the GEHA, but geese hunters just loved them,
as they handled heavy loads fine. Ed.

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Old 11-29-2006, 11:35 PM
  #97  
Fork Horn
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I have also found that the rear locking lug
idea will work with an Enfield, and it would
long enough for our long case with little
work. Work long case as singleshot.
Work as single stack repeater with 3" 12ga.
The bolt handle base would be one lug, and is quite large, which would be stronger than
goose guns built same way.The
left locking lug woud get a bite out on
its end if front was bored out to .900,
tp allow feeding of 12ga case.
But I found a way to add extra lug in the back by opening sight recess that is in rear bridge
down through to bolt raceway, mill groove on left for lug to turn into that
opening and mill square recess into bolt and add lug on left.Result 2.5 lugs, with enough
strength to hold 30k plus loads easily.
Ream out front of action. Barrel threads are
as big as Savage, little more than Mauser.
Face off front of bolt flat.Add pin in ejector
cutout to support case opposite extractor.
The original lugs will guide for feeding.
Screw in heavy 12ga rifled barrel.By the way
would work for 700NE,My 700HE by keeping
pressures moderate. Could handle 600Ne,
full pressure. Ed

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Old 12-01-2006, 02:27 PM
  #98  
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Default RE: 12GA From Hell

Got a question for ya. Have you looked into using a sabot with a .50BMG bullet inside?
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Old 12-01-2006, 02:50 PM
  #99  
Fork Horn
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Put one together with the federal sabots that hold
.Barnes slug that they sell, and other .500 diameter bullets like
used in muzzle loaders and .500 S&W. Now
regular 50 cal bmg bullets are .510, but some have front
section .500. Called the borerider. I took one of these
and cut off back and ended up with 470gr .500
bullet to put in sabot.It is in pic,Ed


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Old 12-02-2006, 05:34 PM
  #100  
Fork Horn
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Default RE: 12GA From Hell

Other bolt guns with rear lugs that would be
neat Mauser 12ga GEHA like conversions, would be
Champlin and Golden Eagle 7000. That Champlin
would make a real beautiful 12ga.
Hell to give the French equal time............
now watch out........... you could use
a rear locking MAS.Its bolt is .800", a
tenth of an inch bigger than most, including
mauser, bolt actions. Best damn use for that
gun that man could conjure up.With
its larger bolt a real easy conversion,
and with two rear lugs, it'll handle
Magnum loads fine.Ed
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