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Wildcat 12GA From Hell.--
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If you find the recoil a bit to much,this is what i done to one of my custom rifles, I took a 300 weatherby action and had a 27.5" gain twist dug barrel chambered for a 416 Weatherby because i wanted to shoot a 350 gr speer magtip over 3000 fps with as less recoil as posable.But it was a chance i had to take because i had no info at all about gain twist barrel and loading data. A old friend of mine from BC suggested me to find someone to make the barrel and after some time, i found someone from Alberta who could build it or try his best.When the Rifle was compleated and ready to shoot I was getting verry nervous and wondered if i had made a big BOBO and wasted thousands of $,But after two days of loading, my Vel was 3012 fps and verry low recoil and no preasure and a 3 shot 1/2" group at 100 yards.And it turned out to be a BIG BORE tack driver.Ps my twist rate was a 1 in 30 to a 1 in 15.5 at the muzzle with no muzzle brake or boss.
They will have to be big. Years ago I shot
an 8 x 8 x 24" one with my 458HE wildcat
and disintegrated it. As for twist I use the least
amount neccessary and with long/heavy barrels,
and thick recoil pads.Ed
Dixie over 2000, got a Buckhammer slug
I took out of factory load over 1900.
Buckhammer and locked on wad is 630
gr. tested in 3" plastic cases.
The firing pin on the 87 didn't protude out
like I like them to as it comes from factory,
so I removed .015 from the hammer stop.
It fires big and small primers perfect.Ed
28" long, gun weighted to 14lbs. factory FED 765gr loads
are 1300 fps. 200 gr of first powder tested is 7383 surplus
and the regular shotgun primers got 765 gr to 1600,
for 4300 ft lbs. Case won't hold anymore 7383.
We will test 4227 with the same slug , and saboted slug
of some design. The 765 gr Fed slug is hollowbase for
smooth bores. Roll crimped with crimper in drill press.
Case expansion with 7383 very little(.006") like
the factory loads. 3.5" plastic cases.Ed
10ga bore. I bumped it up to the .775" size, by expanding
hollow base. With 7383 that gave another 150 fps.Fast starting
shotgun powders expand base better than much slower 7383.
The Federal factory load has 120gr of wads/seals about 1.4"
long. Better to replace with much more slower powder,
getting better velocity, still at low shotgun pressures.Ed
First two cases are ours we had made by putting rims on bmg
brass, The right ones santa sent me and appear to be
drawn, high strength case that are same dimensions.
Are they worth rounding up, seeing as how the guy
who made our first bunch just closed and retired.
What do you think .......Ed
to 1800, ejected ok. If it was a really
heavy barrel it could do more.Using the
7383 surplus at 150 gr, don't even have
to resize to fire 3 times. The 28GA FH
done and testing in next couple weeks.Ed
in bolt action Enfield. With 550gr jkt slug,
full load 150 gr of WC-860, got 1900 fps.
This will be slowest load and powder.
In picture is 3.25" brass 28ga cases, regular
28ga plastic case, jkt slugs, a 458Win
for comparison.Regular cases work also.Ed
Barrel is rifled with 4 grooves, 1-22 twist.
You could do one on Savage 210.Another
shotgun bolt action that would handle it
with little work, heavy barrel, is the
395-495-595-695 bolt action Mossberg.
Just show that 28GA FH isn't puny, here is
picture of it next to a 505 Gibbs.Ed
Arms' site for hopped up 12ga loads,
used in little cannons for bomb work.
Anyone got any of these fired that I could inspect to see how they are built.ED
http://www.royalarms.com/EOD/ammo/canonammo.gif
a 700 barrel on one and chambering for
my 700H 3.25 case. Working on it now.
It is a straight belted case, .700 cal.
Should get the same energy levels as
the 12GA From Hell case in same action.
In pic is 700H case in the action. Ed
700cases from BMG brass.Shows the steps,
first bmg case, next the belt formed, last case
expanded to 700 cal with slug.
An 06 case on right for comparison.Ed
rifled barrels for 28ga as they are easy to get. I looked into
it and did some testing. It is ok as long as you keep bullet
about 400gr as most 54cal barrels are not super alloy.
You got to use the thick heavy ones also, being stronger.
And everyone with 28ga wants slugs and there is no slug loads
from factory, and to reload the heavier bullets we shouldn't use
these barrels or regular 28ga barrels with 600-700 gr slugs.
But there are couple dozen 54cal bullets out there
stocked all over the gunstore shelves, in weights from 300 to
450 gr. There are heavier but for 28GA FH on deer 400gr is
great. I tested the 405 gr copper plated Powerbelt brand, with
velocities from 2300 to 2800 plus fps. That's 6500 ft lbs.
The 54cal slugs load tight in the RMC 3.25" 28ga case fine by
sizing top a little tighter. Bullet obturates to fit .550 bore
as bullet is hitting target straight. A lot of 54cal barrels
go from 530 to 560. 54cal slugs range from .534 to .560"
There are different sizes of 28ga barrels and chokes,
so some where there is lighter 54cal slug that fits..
And with light slugs the pressure limits with the MRC brass
match top muzzle loading pressures, so these barrels will work.
And great thing is the 54cal barrel guys ain't allergic
to making long barrels. I've shot one MRC case 15 times and
still going strong...Ed
got 1400. tested the Great Plains 54cal
lubed slug, runs from 2200 to 2700. It is
by Hornady and its front band actually measures
.550" and hollowbase. They hit target straight.
Got a bunch of 415gr hollowbase coming that
are 548" from Dixie Gunworks. Only 26 cents each.
All will work in plastic or long brass
case. I found another .550 bbl and coming, and
it will go on a Mossberg bolt action
for the second 28GA FH to test.. Ed
brass case. These are ones that Dixie Gunworks sell
that they call their Sharps .548" slug. They all run
about .008 bigger than that so they make perfect tight
fit for .550" barrel, and I used a good lube on them
in the grooves. They are a little harder alloy slug than
the Powerbelts or Great Plains The 28ga shellholder
for our Lee, Lyman, Rcbs presses , we use, is from
RCBS for regular metallic press rams. For 28ga dies
Hollywood made some for metallic presses.Also for
sizing for bottom 2/3 of the brass case you can cut
top off of the 500J die.The slower powder loads don't
even have to have the bottom half sized, which
is great for a turned case. If we had drawn brass cases
we could get 11,000 ft lbs, in the Enfield, which we
don't really need for deer. 4-6000 ft lbs ok/deer ..Ed
Talk about the Shotgun From Hell! Check it out:
12ga slug a fellow is going to make for us.
We hope to have tooling set up this summer
we plan on. Next to it is a 600gr Dixie hardened
slug. First ones he will probably make will
be about 700-750 gr.Ed
long barrel, using brass RMC 3" cases,
1 oz Brenneke KO slug to 2700 with 4227
powder. Shotgun primer. I will be getting
some 3.5" RMC brass that he will put a special
longer corner radius in, to allow faster loads
with less case expansion and easier resizing.
Should get same slug to 3000 and resize
easier also. With shotgun primer able to use
4227, and you WON"T have to rework hammer
or firing pin to do big primers.
Santa sent me 9 more PROP cases used in little
cannons for bomb disposal. Got 12 now.Ed
showing the 2 rear lugs I added.
The huge bolt handle base 3rd rear lug.
Bolt handle needs polishing.This one
will be in the action for the 8GA FH.
The Enfield I have 700H in is like
this also.Ed
rear locking bolt lugs. 32" barrel, tested 3.3" plastic cases.
Cases are the REM kiln gun cases. With the double cup base.
I shaved base a little so that chamber will fire these as well as
regular 8ga plastic. None of the firing today expanded base cups
at all, so they are real strong cases. Started testing to check
ignition with shotgun primers and to see if cases are any
good. Starting with a 110 gr mouse ball, wad under it, and 150 gr
of Blue Dot, about 5000 fps.. Gun didn't even recoil.Then a
410 gr one at 3000 fps, Then a 770 gr hollowbase slug in a wadcup
up to 2000 so far with 180gr of 7383. Barrel is smoothbore. 832"
bore at the muzzle. Ed
top load of 140 gr, got 2500 fps......
Over 10,000 ft lbs..Cases extract easy.
The plastic in 8ga case is twice as thick as
in 12ga cases.Ed
in the port. Box of cases behind, 770 gr and 1050 gr
slugs in front with the 8ga wadcups I use.
Left two slugs are 1050 gr made from 3 oz kiln slugs.
I rounded nose and put in hollow base. Also the
cards and fiber wads used. Slugs are hollowbase, as
it is smooth bore barrel. Ed
ring I put on front of bolt to support large diameter
8ga casehead. It is suported against thrust by the
front lugs, and total bolt thrust is supported by rear
lugs and have taken the heavy loads ok.. Ed
with plastic tip. Makes it streamlined, good for 300yds.
And still will expand good thin skinned game-deer.
I put tip in with glue gun in few seconds, and
shaped a point on it with trim knife. Ed
on them that I am promoting. They are my 700HE
and my 585BHE. They both belted straight cases.
Montana Rifle company is coming out with their
big PH action and some guys will be doing my
cases in them.
Info on the 585BHE. It will work in
any gun that handles 505 Gibbs like Enfield, CZ,
Ruger,etc.Mine is in Enfield.Here is picture of
of one next to Trex. And mine holds 15gr more
powder than that Trex case. 585BHE will do 750
grain from 1800 to 2800 fps in my Enfield.
Anyone interested setting up a gun, contact me
I will furnish reamer and 15 free cases. Cases are
headstamped. When done return reamer to me, for
the next guy. I will keep them sharpened. After a
few guys have guns we all will get together with
others wanting some and get a run of brass made.
These cases are all drawn high pressure brass.
I'd like guys to ask for reamer when gun is going
to be ready to chamber, that way reamers get the
most guns done in shortest time.Ed
an article about the heavy barrel cannons that shoot
the brass cases for bomb disposal.They are the same as
our 12GA FH case,when resized in my dies and are shown
in this thread a couple months back in picture.
It will show them using them for bomb disposal. Ed
of 4759, over 2000 fps. Cases extract easy. Hardly any
base cup expansion...Ed
showing how heavy and strong it is built. The
plastic is one piece compressioned formed and
the sides of the cases are twice as thick as
12ga cases.You can see the double thickness
of the base cup. Ed
Enfield we did.Also comparison to a Mauser
12ga shotgun bolt conversion, from which
I got the concept. Ed
First it is smoothbore, second a 110 bucks total shipping and all.
First I bought a 1.5 inch dia 4130 alloy, heat treated, shaft,
32" long. Then I had a deep hole drilling company drill
a .832" hole in it. Came out centered on both ends.
Then after it got here I used cylinder hone to polish
the inside of the bore. Threaded it, chambered it, and put
in the Enfield bolt action. The heat treating it had was just like
the barrel stock that barrel guys get. Ed.
the Savage busting big pail of water, one of the
kids posted it on Youtube- Titled "Grampa's Cannon".
I just found out that it is on there.
This was the video that the still pictures posted
before, was taken from. They have the sound
muted so as not to hurt camera sound system. Ed
70gr each, total 840 gr, and over 2000 fps with
125 gr of 4759. Ed
Here is URL for the waterpail busting video above--
exploding big heavy walled pails of water.
The "Grampa's Cannon" one with a long view,
and "Grandpa's First Shot" a closeup video,
the first one, that shows how the top of heavy
shelf got bent. Later kids will do videos showing
muzzle blast and recoil.
Also the 3 ought buckshot from the 8ga load
above goes through 2" hardwood ok. I will test
8ga on waterpail also, to see what happens. Ed
So along with first one in Enfield I will be doing one
in Mossberg 695 bolt action. Will add a little weight
to the stock and one of kids will see how it does on
deer this fall.Ed
Oh here is URL of the Grandpa's First Shot Video--
second 28GA From Hell.You can see long
brass case in the port. Ed
A lathe, small vertical mill, drill press,
grinder, and my case forming spinner/lathe
that I built. Ed
difference between shotgun powder, factory loads
and our loads in plastic and brass as it relates to
increased powder capacity. Factory 3rd case with
small amount of powder(more wads), 2nd case plastic with
larger amount(less wads), 1st, brass case all powder.
This allows us more volume of slower powder.
Also the Videos, 'Grandpa's Cannon', 'Grandpa's First
Shot', are heading up to 3000 views on Youtube.
Any of you who could pass info about the videos out
over the net, I'd appreciate it. Ed