I don't know if I got a bag bottle or what but I put 18.5C in my 6" 686 Mag and it dribbled out the barrel, pushing a 125 XTP at only 1229fps.................
16grs with a 158Jhp had powder blow back in my face and lots
of unburnt power all over the place,even with magnum primers.
Way too slow for the .357 mag , in my book..............
Win (Hs 6,7)or 2400 is the way to go.
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