The PS90 is a unique firearm design in its own right, and when I acquired mine I had no intention of changing things. Nevertheless, sometimes projects evolve in an organic way.

The FN PS90 has all the looks and is equally unfailing, but you do have to settle for 10- or 30-round-capacity magazines. Chambering remains 5.7x28 mm, and the blowback-operated gun also fires ...

Based on the P90 and built around FNH USA's revolutionary 5.7 by 28-mm ammunition, the PS90 TR provides a compact, lightweight and completely ambidextrous firearm capable of fulfilling ...

FNH USA is offering a free C-More SystemsCRW Electronic Reflex Sight with the purchase of an FN PS90 Triple Rail (Product Numbers 3818950140, 3818950160, 3848950040 and 3848950060 ...

FN Herstal PS90 rifle: It also fires the 5.7X28mm round. It's compactness makes it easy to conceal and some versions can hold a 30-round magazine, made of lightweight polymer.