THE IMR 3031 LOAD DATA 223 DIARIES

However, each of the loads I have seen for that WWG 457 Magnum clearly show H322 as the ideal powder for all bullet weights, which according to most powder melt away price charts is marginally slower than IMR3031. MoJoy99 mentioned: anyone working with IMR3031 for reloading 223 in an AR System? What do you're thinking that of it? What exactly are