budgetguy,
Is it both mags that you are having a problem with?
3 times cleaned in a 100 rounds-you are a better man than "most"

I am a 50-60 round lube guy!!

I assume you do the Superlube,oil regimen as in the FAQ thread..
If it is doing it with both mags and with the same "lot" of ammo that fed well before,I would still try the STHP as these seem to feed well with all pups..
Anything possibly "skehawed" with your recoil spring? It can be a bear sometimes to get in correctly..?
Shoot- Mine have all went bang and ate pretty much what I fed them,so I am just throwing out things that you probably already have thought of!!
Hope you get it figured out soon,as the pup is a wonderful companion..

Brenden