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Quick Look

The FN PS90 was introduced in 1990 by FN Herstal as a compact personal defense weapon derived from the P90. It features a bullpup design emphasizing high-capacity and ease of use in close quarters. The PS90 remains popular in law enforcement and special forces worldwide for its compactness and unique 5.7x28mm cartridge.

Why It's a Top Choice

High-capacity 50-round magazine
Compact bullpup design for maneuverability
Low recoil 5.7x28mm cartridge
Ambidextrous controls for ease of use
Integrated reflex sight and rail options

Key Variants

PS90 Tactical

Enhanced ergonomics with optical rails for tactical operators demanding flexibility.

PS90 TR

Simplified, military-style version designed for durability and quick handling.

PS90 Civilian

Semi-automatic variant adapted for the civilian market with compliance modifications.

Competitor Comparison Table

Feature	PS90	Kriss Vector	CZ Scorpion EVO 3
MSRP	$1,300	$1,700	$1,100
Capacity / Size	50 rounds / 20 in	30 rounds / 26 in	30 rounds / 25 in
Weight	5.9 lbs	6.9 lbs	5.8 lbs
Optics-ready	Yes, integrated rail	Yes, Picatinny rail	Yes, integrated M-LOK
Trigger Type	Single-stage	Double-action	Single-stage
Notable Pro	Compact with large capacity magazine	Recoil mitigation system	Lightweight and modular
Notable Con	Proprietary ammo limits availability	Higher price point	Smaller magazine capacity

Best Use Cases

Personal defense in close quarters
Law enforcement backup weapon
Special operations and tactical use
Range training and plinking
Firearms collections with unique calibers

FAQs

Can I use regular 5.7x28mm ammo in the PS90?

Yes, the PS90 uses standard 5.7x28mm cartridges offered by major manufacturers designed for this firearm.

What is the effective range of the FN PS90?

The PS90 is effective up to approximately 200 meters, suitable for personal defense and tactical scenarios.

How does the bullpup design affect handling?

Bullpup placement shortens overall length without sacrificing barrel length, improving maneuverability in tight spaces.

FN PS90 for Sale