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Black powder .45-70 cartridges

1600 Views 3 Replies 4 Participants Last post by  Flint
Ok, this may be a really stupid question, but I've got to ask.

I've got a Marlin 1895 Cowboy. I've been shooting regular old Ultramax ammo in it while I get used to it, since I've only had it a few weeks.

A gentleman I talked to at the range was admiring my rifle, and wanted to know why I wasn't firing black powder ammunition in it.

First off, I don't know if I can do this without making a mess of my rifle.

Second, I don't know where to find the ammo.

Third, I don't know if this is something I even want to do, but it sounds kind of neat. If I could find someone who makes .45/70/500 ammunition like the old cavalry used, I'd certainly like to try it. But then, I don't want to mess up my rifle.

And on a related tangent, is there a problem firing all-lead bullets and jacketed bullets through the same barrel? Or do I need to take some precautions?

Any expert advice out there?
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Firing a copper round through after a few (Note few) black powder rounds will help clean the bore. It may be that black powder fouling could raise pressures if you let it build up then fire a jacketted smokeless round.
I fire limited numers of Black powder rounds through my 1886 Win. No problems, I just fire a few smokeless rounds, then clean as usual. Be sure to clean the action as well.
Good info. Especially Gatofeo's post. All I'd add is to get a .45 cal BoreSnake for on the range cleaning. I spray Ballistol on the boresnake and run it through from breech to muzzle after about 20 rounds. The Ballistol is one of the best lubricants around for B/P and Mixed 1 part Ballistol to 10 parts hot water is a super cleaner. Stay away from petroleum-based lubricants for black powder, both as bullet lubes and cleaners.

Watch the overall length, especially in a Marlin. The lifter will only accept a certain overall length, and will feed a 300 or 350 grain bullet well. There are 400 grain bullets with a crimping groove farther forward that will work, but most 500 grain bullets have too long a nose, and were designed for single shot rifles.
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