Best price/best source for treso/ampco nipples for '51 Uberti Navy?

Treso nipples are often out of stock. They're made by House of Muskets:
http://www.houseofmuskets.com/

You might also try Jedediah Starr:
http://www.jedediah-starr.com/

However, nipples are not made to fit caps; it's the other way around. CCI#10 caps do not fit any Treso nipples.

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