The TSA PX-5.7 is a polymer-frame, striker-fired pistol chambered in the 5.7x28mm cartridge. It features a 4.8-inch barrel, a 20-round magazine capacity, and an optics-ready slide with a fiber-optic front sight and serrated rear sight. Designed for both performance and affordability, it offers a lightweight and ergonomic design suitable for various shooting applications.