H 4350 vs IMR 4350

I have used both in several calibers. I don't notice that either seems to be more accurate than the other. They definitely aren't interchangeable. H4350 is not as temperature sensitive. The IMR4350 can vary 50-75 fps in extreme cold or extreme heat. That I have personally witnessed.

Sometimes it comes down to availability. Get what you can to keep yourself in ammo.

Dale
 
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