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Forums10
Topics38,463
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Mar 29th, 2024
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Joined: Oct 2004
Posts: 1,826 Likes: 12
Sidelock
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OP
Sidelock
Joined: Oct 2004
Posts: 1,826 Likes: 12 |
I bought a rifle barrel liner for my 1882 Remington 10ga SxS. It's marked 10ga 40 - 2 1/2. Picked up some 40-72 brass that I trimmed to 2 1/2, also a Lyman mould. The only data I found was for the Sharps 40-72. Mine is more like a 40/60 or 40/65 with the shorter cases. Does anyone have load data for the 40/60 or 65 ? I know BP will work, but I'm trying to use nitro. Thanks for any help. Paul
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Dewey Vicknair
Unregistered
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Dewey Vicknair
Unregistered
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Sherman Bell did a couple of very informative articles in the DGJ regarding nitro-for-black loads in rifle cartridges.
They're VERY informative and well worth a look.
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Joined: May 2010
Posts: 274 Likes: 3
Sidelock
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Sidelock
Joined: May 2010
Posts: 274 Likes: 3 |
40x2-1/2" was a designation for the 40-70 Sharps Straight. The 40-70 Ballard was 2-3/8". As Mr. Vicknair said, Sherman Bell and Ross Seyfried have done some great work with IMR 4198 and Reloder 7(?). I use IMR 4198 in all of my blackpowder cartridges, such as 11.15x58R, 11.15x60R and 45-70, to name a few. Good luck!
GMC(SW) - USN, Retired (1978-2001)
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Joined: Jul 2012
Posts: 4,463 Likes: 207
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,463 Likes: 207 |
Paul,
You should find some loads in CARTRIDGES OF THE WORLD.
Mike
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Joined: Dec 2001
Posts: 12,743
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 12,743 |
You would of course be on "Your Own" but Ross Seyfried stated on several occasions the "Formula" for 4198 in black powder cartridges was 40% of the weight of the charge of black for the 4198. Thus if it is a 40-70 it should use 28 grains of 4198.
Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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Joined: Oct 2004
Posts: 1,826 Likes: 12
Sidelock
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OP
Sidelock
Joined: Oct 2004
Posts: 1,826 Likes: 12 |
Thanks to everyone. I had found one load with 4198, but it was with a 300gr bullet - my mould throws a 400. I believe Trail Boss will work just fine. Thanks again - Paul
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Joined: Dec 2001
Posts: 775
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 775 |
There were two types of Sharps cartridges with the same powder charges. One type had a straight tapered case, and the other type had a bottleneck case. I think they were both available at the same time. Remington produced guns in the same calibers, but designated them differently. I have a Remington Hepburn rifle in .40-50 Sharps straight, but it is marked .40 1 7/8. I have worked up loads with this rifle using Hodgdon 322 powder and paper patch bullets that approximate a hot .38-55 load. One grain too much powder, and the action locks up due to the primer extruding into the firing pin hole. I also have a barrel insert in .40-50 Sharps bottle neck, but have never developed any loads for it, and if I ever do, I expect that I will run into the same problem with primer extrusion that I had with the rifle, and maybe at even lower pressure because of the large firing pin and hole. I prefer using a slower powder than 4198 because of the sharper rise in pressure with small increases in charge with 4198, so I use something like 3031 or H322.
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