Taurus PT 92 Magazine disassembly

I have the same problem as described in the post titled above, the pictures are accurate to my circumstances. No one replied with a how-to plan in that post, just advice not to do it unless necessary. Unfortunately, I have a magazine related feed problem on my PT58S and one of these magazines.

When the two screws come out, it still does not come apart. I believe there are some defects inside the mag or slide, and the spring is much soft than the older original magazine.

Any help with this is appreciated. Thanks