Review: Tisas PX-5.7 FO - American Rifleman

The idea that a faster-moving, lightweight projectile can do the same work as a heavier, slower-moving slug has been around for ages, and the math clearly supports it, even if some in the general public don’t. This, unfortunately, was the case when Fabrique Nationale introduced its first firearms chambered in 5.7x28 mm FN, a cartridge designed for the Personal Defense Weapon (PDW) role that promised some level of armor penetration without excessive recoil. And although the military/law-enforcement versions of the chambering made good on this pledge, 5.7x28 mm FN did meet its match in one barrier that it couldn’t break through: price.

The American market had a hard time accepting the high costs of the original firearms and their ammunition, religating the package to novelty status for the first 25 years of its existence. But renewed interest in the cartridge, and the guns that fire it, has led to the introduction of several new 5.7 mm pistol and carbine models during the past five years, some of which—like the Tisas PX-5.7 FO evaluated here—are offered at price points that fit into more shooters’ budgets.

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Tisas PX-5.7 FO Gets High Marks from American Rifleman

American Rifleman recently reviewed the Tisas PX-5.7 FO, a value-packed, striker-fired pistol chambered in 5.7x28mm. Designed with simplicity and affordability in mind, the PX-5.7 FO features a clean profile, fiber optic front sight, and a polymer frame that keeps weight and cost low.

In the review, the PX-5.7 FO earned praise for its:

• Reliable performance with a variety of 5.7x28mm loads

• Manageable recoil and light shooting characteristics

• Ergonomic grip and balanced feel

• High capacity 20-round magazines

• Bright fiber optic sight, ideal for fast daytime target acquisition

While it forgoes optics cuts and threaded barrels found on more tactical models, the FO is a straightforward, no-nonsense pistol that hits the core needs for range shooters and first-time 5.7x28mm buyers.

With its performance, reliability, and price point, the Tisas PX-5.7 FO positions itself as one of the best budget-friendly entries in the 5.7 world—earning its place alongside far more expensive competitors.