Review: Palmetto State Armory 5.7 Rock Compact This is the first pistol chambered for 5.7x 28 mm FN designed specifically with concealed carry in mind.

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 ...

In the spring of 2022, Palmetto State Armory (PSA) released the 5.7 Rock which continues to be the most affordably priced semi-automatic pistol chambered in 5.7x28 mm FN here in the United States.