The Palmetto State Armory (PSA) 5.7 Rock is a full-sized polymer-framed pistol that introduces game-changing ergonomics and controllability. Chambered in 5.7x28mm, the PSA 5.7 Rock is fed from a supplied 23-round magazine and operated by a smooth single-action striker-fired trigger mechanism. The carbon steel fluted barrel and 416 stainless steel slide, available in various finishes, offer maximum corrosion protection to ensure the longevity of the pistol. Key features include an ergonomic grip, accessory rail for attachments, aggressive slide serrations, and an enhanced trigger. The base model features a high-quality 416 stainless steel slide, a carbon steel fluted barrel, and a polymer frame. The Optic Ready submodel includes all the Standard model's features but is also equipped with a slide cut designed to accommodate various optics. The RK1 variant takes the 5.7 Rock to the next level with enhanced features such as a threaded barrel for suppressor attachment, upgraded sights, and an improved trigger system. Ideal for personal defense, recreational shooting, and competitive use, the PSA 5.7 Rock is designed for durability and performance, making it a popular choice among firearm enthusiasts.