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Joined: Sep 2006
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Originally Posted By: skeettx
https://www.ebay.com/itm/MRC-Mequon-Reloading-Lee-28-Ga-Gauge-2-3-4-Shotshell-Loader-Reloader-Kit/323087159396?hash=item4b397ed064:g:GdUAAOSwOFBai4uq

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Mike


YIKES!!! $125 is a bit steep. Thank God it sold, as I am weak! May just scrounge around the plumbing dept at Lowes for the right ID pipe to cobble something together.

Last edited by Rudybollo; 02/21/18 11:39 AM.
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I'd be cautious of what a shotgun sizer could do for you. I think your chamber is tapered, and it doesn't sound like you have even been able to get to the base which is maybe all the commercial sizer would do.

If you want to go low budget, maybe you could drill a few holes in scrap steel plate, based using some indicating die and measurements of where the case is hanging up in the chamber. I'd bet you could create a series of mild steps to get the brass to chamber, then fire form and trim before loading. Who knows, but I would suspect that the web of a brass case may be hard on conventional shotgun sizing equipment. Only thoughts.

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Originally Posted By: craigd
I'd be cautious of what a shotgun sizer could do for you. I think your chamber is tapered, and it doesn't sound like you have even been able to get to the base which is maybe all the commercial sizer would do.

If you want to go low budget, maybe you could drill a few holes in scrap steel plate, based using some indicating die and measurements of where the case is hanging up in the chamber. I'd bet you could create a series of mild steps to get the brass to chamber, then fire form and trim before loading. Who knows, but I would suspect that the web of a brass case may be hard on conventional shotgun sizing equipment. Only thoughts.



I started thinking about this, too, and realized I was on the wrong track. What puzzles me is that the gun apparently functioned as a 28 gauge shotgun after its original boring out and rechambering. It could be that the thinner brass shotgun shells of the late 19th century "plumped out" more easily at the base when fired in this oversized chamber. But .040 seems like too much for the Magtech to expand.

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Rudybollo,
I agree that .040" is too much, but You won't know unless you try it. If the cases hold together, don't size them back to 28 ga., that would be sure to split them. If you try it, wrap a thin strip of tape or file label around the case, ahead of the rim, to center the case in the chamber( so the whole .040" isn't on one side, tape can be removed after first firing). It looks more and more like you will have to buy a lathe and learn to use it.
Mike

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I believe the thing to keep under consideration is that the starting brass is 24ga. with only a .oo2" clearance at the base. My thinking was the majority of the hangup is a long taper in the chamber, but while it can work, I still would think there will be a somewhat smaller hangup when the base is able to start chambering. I would not size the brass cases for a loose fit, but keep it snug so it's held against the breech, then fire form. Again, only thoughts about how the situation seems to be described, sorry if I'm reading it wrong.

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Sidelock
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I think I will try to bump out the 28 gauge cases. I have some copper tape that I can wrap around the base ahead of rim. Could be slow going and burn a bunch of powder, but if I can get 10 cases, that is all I need for the intent of using this as a plinker and MAYBE a woods rifle.

The other choice is expensive, but maybe best. That would be to send a chamber cast to Rocky Mountain Cartridge. They would mill a tapered brass case from solid stick and have it bored to take the .562 round balls I have. Cases would be around $5 each, maybe more, but would last forever.

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Could you size the cases in a 577 Snider die?
Mike

Last edited by skeettx; 02/22/18 09:06 PM.
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Rudybollo,
If you start with about 10 grains of bullseye, stop it off with TP, fill the case up with Grits or polishing media, then stop it off with paraffin or something, then shoot it; it wouldn't take too much powder. You might have to adjust the charge.
Mike

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Originally Posted By: skeettx
Could you size the cases in a 577 Snider die?
Mike

Maybe. Don't have one.

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