Want to load .45-70. Need brass. Where to look?

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wombat13

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My father gave me the family heirloom Springfield Trapdoor. I want to load for it, but need brass. Looked at Midway, Natchez, Cabelas, Powder Valley so far. I have the dies, 300 gr. jacketed bullets, AA 5744 on the way, but can't find brass anywhere.

Also can't find a bullet mold either. Any suggestion would be helpful. Thanks.
 
Buffalo Arms Co. may have some rounds in stock. Might be the only way you may acquire 45-70 brass by firing theirs until you can find resources. They should have bullets too. I use 5744 for my Pedersoli Sharps so I know it can handle smokeless. Since you mentioned it is a family heirloom Springfield Trapdoor you might want to consider shooting black powder only.
 
Try posting a “want to buy” thread in the Buy/sell/trade section here on THR. I’ve been shocked at the amount of responses I’ve gotten. From brass resellers to good hearted shooters just trying to help you out. Many PMs come in saying “ I don’t have a lot but I can spare you a bit of mine to get you by”. Very good group of people we have here.
 
I would try to get some more traditional (lead) bullets, they're softer and more "slippery" . you can use jacketed bullets but it does result in higher pressures (all other things being equal). If you need bullets I'd order from Missouri bullet co and just wait- if you can.
I would avoid the 300 gr jacketed bullets in an heirloom original Trapdoor.
This.
 
A 385 is what I load for fun over some trail boss. Not a hunting load and shoots like your throwing rocks but accurate enough to kill the steel rams and they thump hard with that much lead.
 
I’ll wait for Starline brass to come back in stock. Not a big fan of PPU but since your loading for a trap door it may be ok for light loads.
 
I would try to get some more traditional (lead) bullets, they're softer and more "slippery" . you can use jacketed bullets but it does result in higher pressures (all other things being equal). If you need bullets I'd order from Missouri bullet co and just wait- if you can.

This.
I’ve read that I should slug the bore before ordering cast bullets or a bullet mold so as to avoid undersized bullets and leading. Not sure how to do that.
 
I also have a springfield trapdoor 45-70. I only shoot lead bullets for 1,600 or less fps. Remember this is very soft steel compared to modern day steel. Been a long time reloading for this but I remember my research. Enjoy.
 
I’ve read that I should slug the bore before ordering cast bullets or a bullet mold so as to avoid undersized bullets and leading. Not sure how to do that.
I have used a fish egg sinker slight larger than internal diameter of the barrel. Just tap it gently into the barrel with a brass hammer than use brass rods until it comes out the chamber. Many people use wood dowels but that could cause problems if the dowel splits, it could get stuck. You could also use lead balls for bp firearms.
You tube has a couple of videos to give you an idea.
 
I’ve read that I should slug the bore before ordering cast bullets or a bullet mold so as to avoid undersized bullets and leading. Not sure how to do that.
It's not absolutely required to slug the bore, if you feel the need just get a soft (pure lead) ball slightly larger than the bore and drive it down the barrel .measure the resulting slug , add .001" and that's the ideal size. It's not ultra important , especially these days because powder coated or hi-tek coated bullets virtually eliminate leading anyway.
You do want proper bullet fit but if it's slightly off the worst thing that'll happen is maybe a little lead in the barrel which is simple and quick to remove.

The benefits of cast bullets far outweigh the potential negatives, the only time I ever shoot jacketed bullets in any chambering is if I want a hollow point for hunting or SD. Other than that I have no use for the jacketed bullets.
 
I have used a fish egg sinker slight larger than internal diameter of the barrel. Just tap it gently into the barrel with a brass hammer than use brass rods until it comes out the chamber. Many people use wood dowels but that could cause problems if the dowel splits, it could get stuck. You could also use lead balls for bp firearms.
You tube has a couple of videos to give you an idea.
I'm worried about tapping it through from the muzzle end, but that's the only way to do it. My father loaded some lead bullets for it. I could pull one of those and squeeze it in a vice to make it a little fatter (read that on another thread here) and tap it down, but I'm sure my father does not remember the alloy hardness of the bullet. He told me he loaded the rounds with DuPont 3031, but when I told him the charge weights on Hodgdon's website, he said there was no way he used that much powder. I know he fired some of them, but I don't think I should fire any more since he thinks the charge he used is below book minimum.
 
I could not get the iphone to focus on the SN and my eyes can't focus really close. It sure looks like there is a digit at the end that has been peened by the hammer and I can't make it out. I'd like to determine the manufacturing date.
 
Wow that old girl looks to have been kept real well!
I’ve used these guys lots of times
https://www.diamondkbrass.com/search.php?mode=search&page=1&keep_https=yes
So that's really good condition? Looks pretty rough to me, but I've never handled old rifles. It's been in that plywood box for a minimum of 55 years, seeing the light of day only a handful of times during that period. Probably been in that box for a lot longer than that, but its been in my father's possession for just over 55 years.
 
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