The 5.7 Rock is a semi-automatic pistol developed, manufactured, and sold by Palmetto State Armory.

[2] It is chambered for the FN 5.7×28mm cartridge and is characterized by its generally low recoil.

[4][5] The gun uses a smooth single-action striker-fired trigger mechanism.

[8] PSA offers the barrel finished in several colors, it can be bought threaded and non-threaded.

[9] The standard magazine holds 23 rounds, 3 more than the similar size and caliber FN Five-seven.