1858 Remington nipple size

[Tannehill]

I have an 1858 Remington imported by Richland Arms, manufactured by Palmetto (best I can tell). Bought it used, and it needs new nipples. Anyone have any information on what size this might take? It is steel frame, made in Italy.

Thanks

 

[Coolhand]

 

[Coolhand]

Hope this helps.

 

[Tannehill]

Thank you very much.