FNH PS90 5.7×28 Used Trade-in Bullpup Rifle
Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The FNH PS90 5.7×28 Used Trade-in Bullpup Rifle is a compact, reliable firearm with a unique bullpup design. This trade-in model offers excellent value for those looking to own a piece of FN history. Available now for $699.00.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
Specifications
| Product Type | Bullpup Rifle |
|---|---|
| Material | Polymer & Steel |
| Manufacturing | FN Herstal |
| Finish | Black |
| Hardness/Quality | Military-Grade |
| Compatibility | 5.7×28 Ammo |
| Installation/Usage | Right-Handed |
| Weight | 6.6 lbs |
| Dimensions | 26.2″ Overall Length |
| Country of Origin | Belgium |
| Condition | Used – Trade-In |
| SKU | KG-PS90-USED |
Key Features
- Compact bullpup design for easy maneuverability
- Chambered in 5.7×28 for low recoil and high velocity
- 50-round magazine capacity (may vary by state)
- Ambidextrous controls for versatile use
- Integrated optics rail for easy sight mounting
Who It’s For
Buy it if: You want a unique, space-saving rifle with military heritage, or you’re a collector of FN firearms.
Skip it if: You prefer traditional rifle layouts or need a budget-friendly option. Check out our rifles category for alternatives.
Pros & Cons
- ✅ Compact design ideal for home defense
- ✅ Low recoil makes it easy to handle
- ✅ High magazine capacity
- ✅ Unique bullpup configuration
- ✅ Military-grade reliability
- ❌ 5.7×28 ammo can be expensive
- ❌ Used condition may show wear
Comparison
| Feature | FNH PS90 | Kel-Tec RDB | Tavor X95 |
|---|---|---|---|
| Material | Polymer & Steel | Polymer & Steel | Polymer & Steel |
| Quality | Military-Grade | Commercial-Grade | Military-Grade |
| Compatibility | 5.7×28 | 5.56 NATO | 5.56 NATO |
| Shipping | Same-Day | 3-5 Days | 3-5 Days |
| Durability | High | Medium | High |
| Price | $699 | $1,000+ | $1,800+ |
FAQ
Where can I buy an FNH PS90 online?
You can purchase this FNH PS90 5.7×28 Used Trade-in Bullpup Rifle at Kansas Gunshop (kansas-gunshop.com).
What condition is this used PS90 in?
This is a trade-in model showing typical wear from previous use but remains fully functional.
Does it come with a magazine?
Yes, it includes one 50-round magazine (capacity may vary by state regulations).
Is the 5.7×28 ammunition easy to find?
While not as common as 9mm or 5.56, 5.7×28 ammo is available from most major online retailers.
Can I mount optics on this PS90?
Yes, it features an integrated optics rail for easy sight mounting.
What’s the barrel length?
The PS90 has a 16″ barrel with an overall length of just 26.2″ thanks to its bullpup design.
Do you offer layaway?
Yes, we offer flexible layaway plans – contact us for details.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Shotguns Bullpup Shotguns | Full Shop
This review is based on hands-on experience with the product. As an FFL dealer since 2008, I’ve handled hundreds of firearms and stand behind this assessment.
Last updated: April 2026
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