As my .327 Federal Magnum chambered 632 Pro, below, weighs .2 oz less than my 60 Pro - and actually has launched many a true Magnum rounds and not been mired in .38 Special wimpidom as my 60 Pro has - I offer it as my true lightest weight Magnum:
Okay, it has launched lesser rounds - to prove a point: .32 ACP, .32 S&W, .32 S&WL, .32 H&RM, & .327 Fed Magnum, of course, shot only in reverse order (Longer/hotter rounds first!). Kind of an S&W 'Medusa' of sorts. From 'poof' to '
POW!. Those CCI 115gr .327 Gold Dots, in the HKS #32-J speedloader, out of that 2 1/8" barrel reportedly make over 1,200 fps - snappy. The 60 Pro grips help the feel and looks, too. A bit heavier than the 351PD... actually, empty - the 632 Pro weighs as much as two
loaded 351PDs!
Stainz