Amen.
As I understand it, XMP-5744 was originally a European military powder. (Czech?) It wasn't good for the military use it was intended for, so it was surplussed, and it found a niche among cast-bullet shooters. Mike Venturino promoted it for the .30-06 and .45-70. The milsurp supply dried up, but the demand was such that Alliant got another powder maker to duplicate it. And that's what you get now as AA5744.
In the '90s I burned a lot of it in .35 Remington, for loads in the 25k to 30k range, where it worked well. At pressures under 20,000 it leaves a
lot of half-burned kernels, and it's too fast to be used above 30k psi IMHO. An inflexible powder. I eventually dropped it. I never was one for the big cases, and in any event it doesn't meter well at all. I
was at one time lining myself up to try it with cast bullets in the 7.5x55 Swiss, but Blue Dot and Varget proved so effective there that I never did.
Time to repost these photos of cracked Krag bolts, as a warning to them as wants to try to make the old girls emulate the .308:
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