My buddy's long-throated 700 Mountain Rifle loved the now-unavailable factory S&B 173 SPCE stuff. 'Twas hell on deer 'n hogs, and about $17/box. After fiddle-[intercoursing] around for far too long with 150 NBT's and 154 Interlocks, I'm gonna just gonna try to feed it the heavies that it seemed to like.

I've got the following on-hand:


[Linked Image]


Where's a good starting point?

MD's "...Gack" tome showed he'd used both 46.0 of Hunter and 50.0 of R22 under 175's in a few different rifles. Might any of the other powders be worth a go?

Thanks in advance,

FC

"Every day is a holiday, and every meal is a banquet."

- Mrs. FC