IMR 4064 works great in the Garand and is usable in .223 Rem especially with 80 grain SMKs.
Could not find IMR but bought Accurate Arms 4064 which says it is "for" the Garand. I know they are not the same powder even if they share a numerical designation.
There is zero AA 4064 load data in the vendor's data sheets for .223 Rem but there is data for AA 2230, AA 2460, AA2495, AA 2520 and so forth.
Here is the burn rate chart from the Hodgdon website:
https://hodgdon.com/wp-content/uploads/2019/11/burn-rate-color.pdf
H335 is #85, AA2230 is #88, AA 2460 is #89, H4895 is #94, IMR 4895 is #96, AA2495 is #99, IMR 4064 is #101, AA 4064 is # 103, AA 2520 is #104, Reloder 15 is # 105, Varget is # 108, Win 748 is #109, BL-C(2) is #110, CFE 223 is #111.
Of those, I've used all but 2230, 2460, 2495, and 2520 in the .223 over the years.
I know that burn rate charts are not the whole story - and that many of them contradict each other depending on where/how the data was obtained.
I called Hodgdon and got no information - the fellow had nothing more than the same published data on their website.
So my question for y'all is, do you think it is an acceptable risk to pick a low "starting load" of AA 4064 to try, or do you think that there might be a real reason they have no data - like, it is totally unsuitable and dangerous?
I'm looking for informed opinions, not for "permission" to proceed - I know the consequences are on me if it is a mistake.
Thanks in advance for your thoughts.
Could not find IMR but bought Accurate Arms 4064 which says it is "for" the Garand. I know they are not the same powder even if they share a numerical designation.
There is zero AA 4064 load data in the vendor's data sheets for .223 Rem but there is data for AA 2230, AA 2460, AA2495, AA 2520 and so forth.
Here is the burn rate chart from the Hodgdon website:
https://hodgdon.com/wp-content/uploads/2019/11/burn-rate-color.pdf
H335 is #85, AA2230 is #88, AA 2460 is #89, H4895 is #94, IMR 4895 is #96, AA2495 is #99, IMR 4064 is #101, AA 4064 is # 103, AA 2520 is #104, Reloder 15 is # 105, Varget is # 108, Win 748 is #109, BL-C(2) is #110, CFE 223 is #111.
Of those, I've used all but 2230, 2460, 2495, and 2520 in the .223 over the years.
I know that burn rate charts are not the whole story - and that many of them contradict each other depending on where/how the data was obtained.
I called Hodgdon and got no information - the fellow had nothing more than the same published data on their website.
So my question for y'all is, do you think it is an acceptable risk to pick a low "starting load" of AA 4064 to try, or do you think that there might be a real reason they have no data - like, it is totally unsuitable and dangerous?
I'm looking for informed opinions, not for "permission" to proceed - I know the consequences are on me if it is a mistake.
Thanks in advance for your thoughts.