Chrongraphed AVERAGE of 723 ft-lbs in my .357 Magnum, 10-shot average.
That's a 158 grain Zero JSP pushed to 1,436 FPS average. (1,487 FPS peak)
Attention Brass rats and other reloaders: I really need .327 Federal Magnum brass, no lot size too small. Tell me what caliber you need and I'll see what I have to swap. PM me and we'll discuss.