Well, Arizona is basically a desert, so what does she expect?
Don't know about regular ice, but perhaps a bullet made of Pykcrete would work.
https://medium.com/predict/the-story-of-pykrete-that-time-the-navy-built-a-ship-out-of-ice-and-sawdust-be8de5ab5a00
Hillary was a senator and just eww at that mental image.
This one anon?
This is the only other one I have in my arsenal hopefully it's what you are looking for.
possibly something like this then
Black Powder Revolvers Colt Army 1860 CAS44 Pietta
https://saguaro-arms.com/product-eng-1622-Black-Powder-Revolvers-Colt-Army-1860-CAS44-Pietta.html