thomis
Member
I've heard that H4895 is one of Hodgdon's "extreme" powders and is not temp sensitive. Its frigid today but I'm off so I'm trying out a bunch of reloads for the .243 and .308 using both H4895 and IMR 4064. Is IMR 4064 sensitive to temp changes? I mean if I zero my scope to a load charged with 4064 at 25 degrees will the zero be off when I shoot the same load at 90 degrees?