[Robby]

I know for sure that the 24/7 9mm exchange into the PT111. I have one, and have fired it successfully. I would assume that the other calibers would also, but have no proof. I only own the 9mm pt111

 

[Rush4theYehO]

I've always bought my mags from CDNN Investments.

 

[Rugerman]

I just got one from Bud's Gun Shop. It was 29.99 + 9.99 for shipping. used it at the range on Tues and worked great. No failure to feed. The mag was from Taurus. Works better than the originals. I probably send the originals back to Taurus for replacing.