Quote:
Originally Posted by 125JHP
I've used 320-330-350... It is premium powder for sure - clean, consistent and not temperature sensitive .... but it meters like gravel from my old RCBS hand throw
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Jitterbug, I second what 125JHP writes also for N340. Very good but very hard to meter in my Hornady powder measure.
Mind you, the problem is not so much that you get unacceptable weight deviation; rather, it's a matter of very stubborn, and unpredictable, bridging, which however does not - at least in my experience - affect weight repeatability. A real nuisance, though.
That said, I use N340 for all my 45ACP 230 and 185-grs loads, all my 38 Sp heavy bullet loads, as well as all my 357 Mag lead or plated loads, with oustanding results.