Tisas Arms PX-5.7 5.7x28mm Pistol

Posted: 04/07/2026

Tisas Arms PX-5.7 5.7x28mm Pistol

The Tisas PX-5.7 is a full-size, budget-friendly 5.7x28mm semi-automatic pistol featuring a 4.8-inch barrel, 20+1 capacity, and a polymer frame with an optics-ready (RMSc footprint) slide. It utilizes a delayed blowback system and includes ambidextrous controls, a fiber optic front sight, and a flat-face trigger. Includes original case and lock. No magazine included.

Specifications:

  • Caliber: 5.7x28mm
  • Capacity: 20+1 Rounds (includes two magazines)
  • Barrel Length: 4.8 inches (11° target crown)
  • Overall Length: 8.5 inches
  • Height: 5.5 inches
  • Width: 1.1 inches (approx. 1.38″ per Wikipedia)
  • Weight (empty): 24 oz (1.56 lbs)
  • Action: Delayed Blowback / Striker Fired (some reports suggest hammer-fired, check specific model)
  • Slide: Optic Ready (RMSc footprint)
  • Finish: QPQ Tenifer
  • Frame: Polymer with Picatinny rail