# FNX-9: 9MM Semi-Auto Handgun, 17-Round, Ergonomic & Reliable **Brand:** FN Herstal **Category:** Full Size Handguns **Caliber:** 9mm ## Specifications - **Caliber:** 9mm - **Barrel Length:** 4" - **Capacity:** 17 rounds - **Finish:** Black - **Weight:** 21.9 oz - **Overall Length:** 7.4" - **UPC:** 845737000103 - **SKU:** UCEt9uGKV ## Description The FN FNX-9 is a 9mm DA/SA semi-automatic pistol with a 4-inch cold hammer-forged stainless steel barrel, polymer frame, and 17-round capacity. It ships with two magazines. ### Key Specifications - **UPC:** 845737000103 - **Caliber:** 9MM Luger (9x19 Para) - **Action:** Double Action/Single Action - **Capacity:** 17 Rounds (Includes 2 magazines) - **Barrel Length:** 4 inches - **Overall Length:** 7.4 inches - **Weight:** 1.4 lbs (21.9 oz) - **Frame Material:** Polymer - **Finish Color:** Black ### Detailed Features - DA/SA trigger with ambidextrous decocking safety lever, first shot double action, subsequent shots single action after cocking the hammer. Works equally for right- and left-handed shooters. - Cold hammer-forged stainless steel barrel for consistent accuracy and durability over high round counts. - External extractor doubles as a loaded chamber indicator. Visible and tactile check without opening the action. - Interchangeable backstraps (three sizes included) for hand-fit customization. - Fixed three-dot sights standard; night sight version available. - Ambidextrous controls throughout: slide stop, magazine release, and decocker. The FNX-9 is on the larger end for a 9mm full-size, which is a tradeoff for the 17-round capacity and the DA/SA mechanism's longer trigger reach in DA mode. At 21.9 oz empty it's not particularly heavy for the platform. ## Frequently Asked Questions **Q: What caliber is the FN FNX-9?** A: The FN FNX-9 is chambered in 9mm Luger. **Q: What type of firearm is the FN FNX-9?** A: It is a full-size semi-automatic DA/SA pistol: double action on the first shot, single action on subsequent shots. **Q: What is the barrel length of the FN FNX-9?** A: It has a 4-inch cold hammer-forged stainless steel barrel. **Q: How many rounds does the FN FNX-9 hold?** A: It has a 17-round capacity and ships with two magazines. **Q: What frame material does the FN FNX-9 use?** A: It has a polymer frame. **Q: Where can I buy the FN FNX-9?** A: Compare current vendor offers on this page. ## What Reviewers Say *Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.* > I really like about the FN um is that it's got uh the external Hammer here I really like that it's got the external um safety as well here. > > — [gideonstactical](https://www.youtube.com/watch?v=3JXf8e7FY9E&t=72s) > First one I had did have a few issues on jamming with me it jammed um somewhere between about 10 and 15 times with my first like 200 or 300 rounds. > > — [gideonstactical](https://www.youtube.com/watch?v=3JXf8e7FY9E&t=247s) > Safety should be something that lets me hold the gun and pull the trigger and it not go off. > > — [gideonstactical](https://www.youtube.com/watch?v=3JXf8e7FY9E&t=114s) > There is a possibility of jamming but this definitely has a really good feel. > > — [gideonstactical](https://www.youtube.com/watch?v=3JXf8e7FY9E&t=438s) ## What Customers Say *AI-generated insights from customer reviews* The FNX-9 earns consistent positive marks from owners, particularly on reliability and ergonomics. Grip feel and fit get the most direct praise. The interchangeable backstraps make a genuine difference for shooters with larger or smaller hands, and the textured polymer frame gives a secure hold. It's one of the more comfortable full-size 9mm pistols to hold extended. Reliability with varied 9mm loads is widely reported as solid. Function issues are uncommon in owner accounts. The 17-round capacity is a practical advantage, cited frequently by owners who use it for home defense or range work. The DA/SA mechanism gets mixed feedback. Shooters who prefer a consistent pull across all shots, or those coming from striker-fired platforms, sometimes find the transition between DA and SA disorienting until they practice the first-shot DA pull deliberately. Owners who came from traditional DA/SA pistols (Beretta, SIG) adapt quickly. Size is the main practical objection. The FNX-9 is bulky for concealed carry, and most owners are candid about that. It works well as a home defense or range pistol but requires a deliberate holster and clothing choice for carry. The polymer frame doesn't bother most owners functionally, though a small number note it feels less premium compared to metal-framed alternatives at higher price points. Durability complaints are not common. ## Pricing **1 offers available** | Vendor | Price | |--------|-------| | Gunbuyer Com | $699.00 | ## Similar Products - [FNX 9 Elite: Ergonomic 9mm Pistol for Defense & Sport Shooting](https://gunsnation.com/p/fnx-9-elite-ergonomic-9mm-pistol-for-defense-sport-shooting/UCEt9uGpx) - [FN America FNX 9mm: Compact Defense Semi-Auto Pistol](https://gunsnation.com/p/fn-america-fnx-9mm-compact-defense-semi-auto-pistol/UCEt9uGKc) - [FN FNS-9: Ergonomic 9mm Semi-Auto, 17-Round Capacity](https://gunsnation.com/p/fn-fns-9-ergonomic-9mm-semi-auto-17-round-capacity/UCEt9uHFA) - [FN America FNX9 Compact - 17-Round, 4" Barrel, Concealed Carry Ready](https://gunsnation.com/p/fn-america-fnx9-compact-17-round-4-barrel-concealed-carry-ready/UCEt9uGQg) - [FNX-45 Tactical: Ergonomic .45 ACP with Ambidextrous Controls](https://gunsnation.com/p/fnx-45-tactical-ergonomic-45-acp-with-ambidextrous-controls/UCEt9uGWx) - [FN America FNX .45 Tactical - Reliable Concealed Carry Pistol](https://gunsnation.com/p/fn-america-fnx-45-tactical-reliable-concealed-carry-pistol/UCEt9uGWq) --- *Data from [GunsNation](https://gunsnation.com)*