I’ve been thinking of adding another group of cartridges to the collection but I can’t decide. They are the 577-450 MH, 577 Snider or Experimental US rifle rounds made in the late 50’s to early 70’s. My question is which ones have most popularity in the US and are the easiest to find.


I would say "what is more interesting to you the collector?"
Saying that I would say US experimental rifle in the US are the easiest to find. And that may depend on where you live in the “US”.