Black Widow MA vs PMA

[oxnam]

I was wondering, is there any real differece (speed, handshock, stability) between Black Widow's PMA and the older MA?  

Black Widow told me the MA limbs will fit the PMA riser so is there really any difference?

oxnam

[chuckbow]

MA sight window is taller. pma is shorter.

[mooseman76]

depends on how old the MA is.  BW, changed their limb design (not sure of the year) to a little wider profile.  I've never shot one with the older limbs, but the new ones shoot great.  The only other difference I know of is that the PMA has the phenolic limb wedges (unless ordered otherwise).  If you get a good deal on some MA limbs, I say jump on em...Mike

[oxnam]

I wonder what year they changed the MA?