Dan,
I was looking for a similar load for my new FA M97, but it doesn't like cast bullets; at least, yet. I didn't have time to do a lot of development and research. I got a pet load from 500WE that I'll be loading as soon as my supplies get here. For meantime, I had some 260 NP's on hand and loaded them to noslers minimum suggested: 18gr of 2400. It's superbly accurate, but a tad bit stiffer than I wanted to shoot in the little M97. I'm gonna be trying a 250xtp over 17grs of 2400 (500WE's PL). In the future, when I have time and a little more understanding of cast boolits and what it takes to make 'em choot, I'll try to find a load.
I don't mean to hi-jack Dan's thread, but if any one's replying to his and shoots 'em in a M97; I'd love to here it.

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It takes 43 muscles to frown and 17 to smile, but only 3 for proper trigger squeeze.