FN PS90 Standard | 5.7x28mm | 30rd | 3848950460

The FN PS90 Standard is a semi-automatic bullpup carbine chambered for the 5.7x28mm cartridge. It uses closed-bolt, blowback operation and features a synthetic thumbhole bullpup stock with ambidextrous controls and dual cocking handles. The design includes a top MIL-STD 1913 rail and integrated ported muzzle brake for reduced felt recoil. For optics under $1,000, a compact red-dot such as an Aimpoint PRO or a Vortex SPARC AR pairs well with the PS90’s rail and compact sight radius.

Product Specifications

• The UPC is 818513009218.
• The firearm is chambered for 5.7 x 28 mm.
• The action type is Semi-Auto.
• The magazine capacity is 30 rounds.
• The package includes 1 x 30-Round magazine.
• The barrel is described as hammer-forged, chrome-lined and ported.
• The muzzle features an integral muzzle brake.
• The stock is a bullpup w/ thumbhole design in polymer.
• The stock material is synthetic with a matte black finish.
• The overall weight is listed as 6.28 lbs.
• The magazine type is removable / detachable.
• Sighting options include a MIL-STD 1913 accessory rail and back-up iron sight.
• The rate of twist is listed as 1:9″ in the supplied data.
• The manufacturer / make is FN and the ATF model is PS90.
• The product finish is listed as Black.

The PS90 Standard is purpose-built for compact, ambidextrous carbine applications where controllability and a high-capacity, low-profile magazine are desired. Its top rail and downward ejection enable a wide range of optic and accessory configurations while maintaining a compact footprint for range use and security applications. The synthetic thumbhole stock and integrated muzzle brake contribute to a consistent, controlled shooting experience.

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