I've read in several places that Keith's 17.5/2400 in solid head brass measured 24,000. Definitely over SAAMI but well underneath magnum pressure.
I was hoping AA9 would work in its place. In my .41 and .44 magnums it burns cleaner and has less flash than 2400. I can't stand all the unburned powder granules when shooting 2400.
ETA: For a standard pressrue load I would probably use SR4756. I like it a lot better than Unique.
Last edited by GregG; 02-23-2012 at 01:59 AM.
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