The Freedom Ordnance FX-9 FX9P4-S 9mm 4-Inch Pistol SBA3 is a factory-built AR-style pistol that brings familiar ergonomics to a compact 9mm platform. Chambered in 9mm, this pistol features a 4-inch barrel with a faux suppressor profile, a black hard coat anodized aluminum receiver, and an SB Tactical SBA3 pistol brace. It is optic-ready, uses standard AR-15 controls, and is designed for range use and compact defensive applications.
| Manufacturer | Freedom Ordnance |
|---|---|
| Model | FX-9 FX9P4-S |
| Material | Black hard coat anodized aluminum receiver |
| Compatibility | Accepts standard Glock 9mm magazines; optic-ready for micro red dots |
| Finish | Black hard coat anodized |
| Weight | Approximately 5.2 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Familiar AR-15 Controls: This matters because anyone who has shot an AR-15 can pick up the FX-9 and run it immediately. The safety selector, bolt catch, and magazine release are all in the same places, so your training transfers directly.
- 4-Inch Barrel with Faux Suppressor Profile: This matters because the shorter barrel keeps the pistol compact for easy handling, while the faux suppressor adds length for a more stable grip and gives the pistol a clean, modern look.
- SB Tactical SBA3 Pistol Brace: This matters because the adjustable brace provides a stable shooting platform without requiring a tax stamp. It slides like a carbine stock, giving you a solid cheek weld for accurate shots.
- Optic-Ready Receiver: This matters because you can mount your choice of red dot or reflex sight without any gunsmithing. The factory-cut base accepts popular micro-dot footprints, so you can customize your sight picture right out of the box.
- Glock Magazine Compatibility: This matters because Glock 9mm magazines are affordable, reliable, and widely available. You can use the same mags you already own for your Glock pistol, simplifying your range bag.
Who It’s For
This pistol is built for families and new shooters who want a compact, easy-to-learn 9mm platform. It’s also ideal for experienced AR-15 owners looking to add a pistol-caliber option for plinking, training, or home defense. The low recoil and familiar controls make it a great choice for introducing younger shooters to the AR platform.
Pros and Cons
- Pro: Runs on standard Glock 9mm magazines — affordable and easy to find.
- Pro: SB Tactical SBA3 brace is adjustable and comfortable for various arm lengths.
- Pro: Optic-ready out of the box — no extra machining needed.
- Con: The 4-inch barrel limits muzzle velocity compared to longer-barreled 9mm carbines, which can affect long-range accuracy beyond 50 yards.
Comparison: Freedom Ordnance FX-9 vs. Zev Technologies OZ9 vs. Lone Wolf Distributors Alpha Wolf
| Feature | Freedom Ordnance FX-9 FX9P4-S | Zev Technologies OZ9 | Lone Wolf Distributors Alpha Wolf |
|---|---|---|---|
| Caliber | 9mm | 9mm | 9mm |
| Barrel Length | 4 inches | 4.5 inches | 4 inches |
| Receiver Material | Aluminum (hard coat anodized) | Stainless steel grip module | Polymer |
| Brace Included | SB Tactical SBA3 | None (aftermarket only) | None (aftermarket only) |
| Magazine Compatibility | Glock 9mm | Glock 9mm | Glock 9mm |
| Optic Ready | Yes | Yes (RMR cut) | Yes |
| Price | $697.96 | $1,200+ | $400-$500 (build kit) |
| Best For | Ready-to-shoot, budget-friendly AR-style pistol | High-end competition or custom builds | DIY builders on a tight budget |
FAQ
What magazines does the Freedom Ordnance FX-9 FX9P4-S use?
This pistol accepts standard Glock 9mm magazines, including 17-round, 19-round, 33-round, and other aftermarket options. Use any reliable Glock-pattern mag for best results.
Is the FX-9 optic ready?
Yes, the receiver is cut to accept micro red-dot optics. Most popular footprints like the Shield RMSc or similar will mount directly without an adapter plate.
Does the SB Tactical SBA3 brace require a tax stamp?
No, the SBA3 is classified as a pistol brace, not a stock. As long as the firearm is configured as a pistol (barrel under 16 inches and no vertical foregrip), no NFA tax stamp is needed.
What is the barrel twist rate?
Per Freedom Ordnance specs, the 4-inch barrel has a 1:10 twist rate, optimized for standard 115-grain to 147-grain 9mm ammunition.
Can I use this pistol for home defense?
Yes, the compact size, low recoil, and high magazine capacity make it a solid choice for home defense. Pair it with a reliable red dot and a quality light for best results.
Trust & Delivery
- ✅ Nationwide delivery to all 50 states
- ✅ Ships within 1-2 business days
- ✅ 30-day return policy (no restocking fee)
- ✅ Secure checkout with encrypted payment
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Last updated: April 2026
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This Freedom Ordnance FX-9 FX9P4-S 9mm 4-inch Pistol SBA3 is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Freedom Ordnance FX-9 FX9P4-S 9mm 4-inch Pistol SBA3?
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