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In 10GA NEF 110gr 4227 got 765gr slug
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 |
Fired 28GA FH-- Cases extract easy.--It is
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 http://www.gunownerstv.com/28fhb.jpg |
uh what
uh yeah, what?
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28ga cases are made by Rocky Mtn Cartridge,
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 to show that 28GA FH isn't puny, here is picture of it next to a 505 Gibbs.Ed http://www.gunownerstv.com/28fhg.jpg |
Here is picture and info on Royal
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 |
I like the Savage 210 so I'm putting
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. There is guy building a 600 Nitro in 210 also. Ed http://www.gunownerstv.com/325c.jpg |
28GA FH research. Guy on forums suggested using 54cal
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 |
28GA FH testing. 405 gr in 2.75" plastic case
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 |
tested the 415 gr hollowbase slugs in 28GA FH long
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 |
Here is picture of a jacketed hollowpoint
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 http://www.gunownerstv.com/12h.jpg |
12 GA rifle from Hell
hubel458, I think you must be the guy giving some of my customers ideas. What is the "AR" site? I would like to browse it to increase my knowledge of ideas I don't need.
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Quote:
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AR is the Accurate Reloading forums- I post on the
big bore one. Th right hand 8ga case is made from 20mm Suzy brass(Hispano-Suiza).Added rim, reshaped. In the 87 Win Levergun, smooth barrel, 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.Got 12 now.Ed http://www.gunownerstv.com/pc1.jpg |
THE 8GA FH BELLERED TODAY. It is in Enfield I rigged with
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 |
8GA FH testing- using IMR 4759, 770 gr slug,
top load of 140 gr, got 2500 fps...... Over 10,000 ft lbs..Cases extract easy. Here is picture of Enfield 8GA FH. You can see plastic case 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 http://www.gunownerstv.com/8en.jpg |
Here is picture on left of the 12ga hollowpoint slug
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 http://www.gunownerstv.com/12hfill.jpg |
12GA rifle From Hell
The little indentations at the mouth tell me it is a 20mm. Used to find some of them laying on the ground of the gunnery range. Don't know where they all went?:confused:
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I also have two other cartridges with my name
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.On left in picture is one next to puny 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 http://www.gunownerstv.com/heandt.jpg |
On Fri May 2 8pm on the Science Channel ,they will have
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 |
Testing 8GA FH in Enfield, 1050 gr slug in wad cup, 120 gr
of 4759, over 2000 fps. Cases extract easy. Hardly any base cup expansion..Here is picture of a sectioned 8ga plastic case I did, 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 http://www.gunownerstv.com/8sec.jpg |
12 GA rifle From Hell.
I am fasciated by what I have been seeing in these posts. Unfortunately, I don't have time or customers who will take one of these on. Maybe when things slow down some.
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Here is picture of the bolt setup for the 8ga
Enfield we did.Also comparison to a Mauser 12ga shotgun bolt conversion, from which I got the concept. Ed http://www.gunownerstv.com/bh.jpg |
12GA rifle From Hell
I had a friend in college who had a Mauser 12 ga original conversion. I understand from his brother he still has it. Are you reading this, Tom (Pekoe)?
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I was asked how I got 8ga heavy barrel so quick.
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. |
For those wanting to see video of the 12GA FH in
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 |
Load of 12 triple ought buckshot in 8ga. They are
70gr each, total 840 gr, and over 2000 fps with 125 gr of 4759. Ed Here is URL for the waterpail busting video above-- http://www.youtube.com/watch?v=rUNHszY4ACM |
12 GA rifle from Hell
hubel458, I saw the video on the water bucket routine. a fun way to water the flowers!
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There are now two videos of 12GA FH on YouTube,
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 |
12GA Rifle From Hell
hubel458, Okay. Now my interest is more than usual. I have been known to shoot some rifles that have a lot of recoil. I have been trying to figure out how to make a "standing benchrest" so I can give ground with recoil, or at least be more upright so I don't absorb all of the recoil. Watching the video, "Grandpa's Cannon" gave me a short look at what you have done for a standing benchrest. How are chances of getting some pictures of that bench from several different angles so I can figure out how to build and put it up at our local range? I would also be willing to pay some nominal fee for a set of plans. Let me know what the chances are of something like that happening! larryjk@tribcsp.com
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You can do a standup stand with couple sheets of plywood,
two 4x4s, and 3 - 2x4s.. One sheet cut in two 4x4 are the sides. Two 4x4s cut in half makes 4 corners. Other sheet cut in 3 pieces make top and ends.. 2x4s make cross pieces and bottom pieces. Just like making a tall box with a heavy strong frame, and weight. Here is pic of Mossberg 695 that will be the second 28GA From Hell.You can see long brass case in the port.Here is URL of the "Grandpa's First Shot" video. Ed http://www.youtube.com/watch?v=c48zTpsgbuk http://www.gunownerstv.com/moss28.jpg |
12GA rifle from Hell
I'll have to give that standing rest a whirl. Up to my backside in work right now so it will have to wait awile.
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Here is closeup pic of Rob's 12GA FH, a Borchardt falling block
action. Real nice. In picture is along brass 12ga case with one of Rob's 2000gr bore rider, solid, streamlined slugs. Ed http://www.hunt101.com/data/500/medium/2430DSC00694.JPG |
Here is picture of a neat scaled up Sharps replica
that would handle out 12GA FH and my 700HE. That outside hammer looks great. From a magazine article in Very High Power...Ed http://i19.photobucket.com/albums/b1...dley50BMG4.jpg |
12GA rifle From Hell
I would imagine that, even considering the size of the Bradley Falling Block, recoil of the 50 BMG must be very memorable!
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Here is a pic of a projectile idea Rob had. We will test it later
this fall, It is 12ga bore rider design Body is Aluminum, and it will have a heavy 50 cal insert in the nose made from tungsten or similiar metals. In the picture he put a 50 cal bullet in for show. The insert in the nose will be flush with front of the AL carrier. It should be stable at slow twists and if built with back and front same diameter stable in smoothbores. The long lighter tail-end compared to heavy nose insert will make it stable. Same principle Brenekke uses. This idea is being explored to try to get superior penetration from 12ga, with heavy, hard insert in the nose.Ed http://www.hunt101.com/data/500/medium/IMG_01741.jpg |
Got my long 700 HE case chambered barrel
finally in a bmg size action. It is barrel I locked onto an I-beam and got testing and load developement done over the last couple years. Max load about 23,000 ft lbs. It weighs 27 lbs, laminated thumbhole stock, a max size pad, weighted butt, a reinforced wrist, recoil barrel ring on front of stock.Ed http://www.gunownerstv.com/700helr.jpg |
Here is another view of my 700HE blaster,
that I got rigged up on an action and stock. Side view shows action with a aperture sight I rigged up. Also cases. On left is 700H 3.25" case. Center my 700HE, what the gun in picture has now. Good for nearly 23,000 ft lbs, we attained in a work up in testing with the barrel as a test barrel with screw on testing receiver....Ed http://www.gunownerstv.com/helr.jpg |
Here is picture of another dart type 12ga slug Rob made. Body
is aluminum, it has a heavy tungsten carbide insert in the nose. The TC in the nose is about 5 times denser than AL. Total length is 2.35 inches, weight about 950 gr. The .75" long insert a real tight type fit. Heat AL, put in insert, cools, locks on. It is fairly streamlined, yet has wide meplat for penetration in game. Flat points penetrate straighter in game. It is hollow inside in the back, behind insert which puts the center of gravity way up front, it should fly straight even from a smoothbore. They are fast to make and material less expense than copper.In pic is a copper and a brass 600 cal slugs for comparison. Dart/slug on right has insert.Ed http://www.hunt101.com/data/500/medium/00312.JPG |
12 GA rifle from Hell
Awesome looking slugs. Have seen less for artillery.
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Here are more samples of nice 12ga slugs.....Here is pic of
ones RG Henson sent. Jacketed 12ga. 715gr hollowpoints, on the right and in front a jkt 675gr hollowbase. RG's number 1-770-366-4846. These will be great for shorter plastic and brass cases as well as long cases. Other slugs in pic, in the back, left to right Foster 436gr- Dixie 600gr- 750gr brass- my 750gr hollowbase brass, and a hollowpoint I put a lightweight filler in the nose for streamlining..Ed http://www.gunownerstv.com/12hbhp.jpg |
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