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Old March 20, 2010, 11:03 PM   #1
Join Date: February 20, 2010
Location: Western Victoria
Posts: 63
Uberti Walker - what sized bullets??

Hi All,

I am about to purchase a Uberi Walker and was wondering what sized balls that are commonly used. I have already an Armi San Marco 3rd Dragoon that shoots .457 sized balls reasonably well - the same size pills as a Ruger Old Army I used to have.

If i was to get a mould for the Walker - any suggestions on size????

I had a chance to by a geniune Colt Walker made sometime in the 50's or 60's, but the $4000 pricetag stopped me (the wife had a problem with me selling a car to buy a gun - cant understand why). I would be to worried i'd break it anyway...........
You gonna pull those pistols or whistle dixie?
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Old March 21, 2010, 12:49 AM   #2
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Join Date: March 15, 2005
Location: Central Connecticut
Posts: 2,978
Many folks report loading .454 balls in their Uberti Walkers but some do load .457 balls and other are able to shoot with .451 balls.
I would suggest to try out the Uberti using the same .457 balls that your ASM takes to see if the same mold can be used to cast balls for both Walkers.
And if the .457 balls are too difficult to load, consider getting a smaller diameter ball mold based on some further experimentation and/or chamber measurements.
It's also important to cast balls from pure lead or they may come out oversize even if the optimum diameter mold is used. So having a pure lead supply can be just as important as obtaining the right size mold.
It would be a shame to invest in a .457 mold and then cast balls using an impure lead alloy only to learn that the resulting balls were too large due to using hard, impure lead.
IMO the Lee molds have a reputation for often being made very close to spec's while some of the steel molds can be slightly oversize to begin with despite being more expensive.

Last edited by arcticap; March 21, 2010 at 01:04 AM.
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Old March 21, 2010, 09:38 AM   #3
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Join Date: November 2, 2007
Location: Northern Orygun
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Uberti recommends a .454rb for their Walker model, but if you can ram a .457 without over stressing the loading lever I think that's better. The best way to know what size rb to use is to measure the chamber mouth and go about .006 larger rb.

I don't have a Uberti here at this time but the ones I have measured have been in the .449-.450 area, kind of in between.
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