I've been furiously working up loads for my 629-6 .44 mag. What I've settled on is Blue Dot for 750ft/lb loads for Grandma, AA7 for 850ft/lbs for Gramps and AA9 for 950ft/lbs for hogs, dogs and Big Foot. My gun loves these loads but doesn't like W296. Interestingly, the hotter I loaded the 296...