The 5.7 Rock is a semi-automatic pistol developed, manufactured, and sold by

Palmetto State Armory Palmetto State Armory is an American firearms company based in Columbia, South Carolina. The name is derived from South Carolina's official nickname, "The Palmetto State". Palmetto State Armory operates several retail locations around the states ...

Design

The gun uses a smooth single-action striker-fired trigger mechanism. It is chambered for the

FN 5.7×28mm The FN 5.7×28mm (designated as the 5.7×28 by the C.I.P. and FN 5.7×28mm NATO) is a small-caliber, high-velocity, smokeless-powder, rebated, non-tapered, bottleneck, centerfire cartridge designed for pistols and personal defense weapons ( ...

cartridge and is characterized by its generally low recoil. The frame is made out of

polymer A polymer () is a chemical substance, substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeat unit, repeating subunits derived from one or more species of monomers. Due to their br ...

, the

slide Slide or Slides may refer to: Places * Slide, California, former name of Fortuna, California Arts, entertainment, and media Music Albums * ''Slide'' (Lisa Germano album), 1998 * ''Slide'' (George Clanton album), 2018 *''Slide'', by Patrick Glee ...

and

barrel A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden stave (wood), staves and bound by wooden or metal hoops. The word vat is often used for large containers ...

are made out of 416

stainless steel Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...

and the

magazine A magazine is a periodical literature, periodical publication, print or digital, produced on a regular schedule, that contains any of a variety of subject-oriented textual and visual content (media), content forms. Magazines are generally fin ...

is made out of black oxide alloy

steel Steel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to steel's high Young's modulus, elastic modulus, Yield (engineering), yield strength, Fracture, fracture strength a ...

. PSA offers the barrel finished in several colors, it can be bought threaded and non-threaded. The standard magazine holds 23 rounds, 3 more than the FN Five-seven. It is also a competitor to the

Ruger-57 The Ruger-5.7 is a semi-automatic pistol introduced in December 2019 by Sturm, Ruger & Co. It is the first traditionally-styled semi-automatic pistol to be chambered for the 5.7×28mm cartridge since the introduction of the Excel Arms MP-57 in 2 ...

, the M&P 5.7 and the TİSAŞ PX-5.7.

Users

* City of Cut and Shoot, Texas, Police Department (November 2023)

References

{{Personal defense weapons 5.7×28mm semi-automatic pistols Semi-automatic pistols of the United States