IMR 4895 vs H 4895

C

Chaparral

New member
I'm sure this question has been asked before so please forgive me, but yesterday I had a guy give me about 4 ibs of H4895. I've always used IMR4895. Are things close enough between these two powders to interchange? I was just going to use it to make bulk .223 using 55gr FMJ keeping it around 2900-3000 fps. Thx.
 
Nope , in the case of the 308 175gr smk , IMR has a max charge 2.3gr higher then H not really close at all . It appears H is a bit faster .
 
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