# FN 509 Tactical FDE 9mm Night Sight Pistol w/ Threaded Barrel **Brand:** FN Herstal **Category:** Full Size Handguns **Caliber:** 9mm ## Specifications - **Caliber:** 9mm - **Barrel Length:** 4.5" - **Capacity:** 10 rounds - **Finish:** Flat Dark Earth - **Weight:** 27.9 oz - **Overall Length:** 7.9" - **UPC:** 845737016821 - **SKU:** UCEt9uKg9 ## Description The FN 509 Tactical is a semi-automatic 9mm Luger pistol with a 4.5-inch threaded barrel, 10+1 capacity, and a Flat Dark Earth finish. It weighs 27.9 oz and runs a 12-inch overall length. Fixed 3-dot night sights are standard, and the optic-ready slide accepts common red dot mounts. The barrel is threaded at 1/2"-28 tpi for suppressors and muzzle devices. Key Specifications - **Brand:** FN - **Model Name:** 509T (Tactical) - **Caliber:** 9mm Luger - **Action Type:** DA/SA (Double/Single Action) - **Capacity:** 10+1 rounds - **Barrel Length:** 4.5 inches - **Overall Length:** 12 inches - **Weight:** 27.9 oz - **Sights:** Fixed 3-Dot Night Sights - **Grip Type:** FDE Interchangeable Backstrap - **Finish Color:** Flat Dark Earth (FDE) - **Condition:** New in Box Detailed Features The threaded 1/2"-28 tpi barrel allows direct attachment of suppressors and compensators without an adapter. The optic-ready slide has machined cuts for direct mounting of red dot sights, which eliminates adapter plates and keeps the optic low. Fixed 3-dot night sights remain usable in low-light conditions with or without a suppressor. The FDE interchangeable backstrap adjusts grip circumference to fit different hand sizes. A Picatinny rail below the frame accepts lights and lasers. The polymer frame keeps the pistol at 27.9 oz without sacrificing durability. ## Frequently Asked Questions **Q: What caliber is the FN 509 Tactical Bundle?** A: It is chambered in 9mm Luger. **Q: Who makes the 509 Tactical Bundle?** A: FN Herstal makes it. **Q: What type of firearm is the FN 509 Tactical Bundle?** A: It is a semi-automatic full-size handgun. **Q: What is the barrel length of the FN 509 Tactical Bundle?** A: The barrel is 4.5 inches long and is threaded at 1/2"-28 tpi. **Q: How many rounds does the FN 509 Tactical Bundle hold?** A: It has a 10+1 capacity. **Q: Is the FN 509 Tactical Bundle optic-ready?** A: Yes, the slide is optic-ready with machined cuts for direct red dot mounting. **Q: Does the FN 509 Tactical Bundle have a threaded barrel?** A: Yes, the barrel is threaded at 1/2"-28 tpi for suppressors and muzzle devices. **Q: Where can I buy the FN 509 Tactical Bundle?** 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.* > FN did a really nice job on this grip texture it's three different kinds of grip texture. > > — [Herrington Arms](https://www.youtube.com/watch?v=1ohdNHfVwjQ&t=15s) > It is nice that you get a thread of barrel it is nice that you get the 24 round magazine but honestly I still feel like it's just a little bit expensive. > > — [Herrington Arms](https://www.youtube.com/watch?v=1ohdNHfVwjQ&t=414s) > One thing I do like about this gun is it definitely has a premium trigger in it the take Up's a little bit hard it's like stiffer than a normal trigger. > > — [Herrington Arms](https://www.youtube.com/watch?v=1ohdNHfVwjQ&t=337s) > Being said I actually do like the gun a lot it looks very cool. > > — [Herrington Arms](https://www.youtube.com/watch?v=1ohdNHfVwjQ&t=123s) > This FN is you just can't get it clean there's always carbon and un gunpowder all over it it just feels like it gets really dirty really fast. > > — [Herrington Arms](https://www.youtube.com/watch?v=1ohdNHfVwjQ&t=266s) ## What Customers Say *AI-generated insights from customer reviews* The FN 509 Tactical FDE with night sights and threaded barrel draws solid feedback for its build quality and accuracy. The threaded barrel is a standout feature for suppressor-compatible configurations, and the 3-dot night sights add low-light capability that owners find practically useful. Most users describe the grip as comfortable and the controls as intuitive for both newer and experienced shooters. The main criticisms are weight and trigger. At 27.9 oz it runs heavier than compact pistols, which is a relevant factor for extended carry. The trigger pull is described by some as heavier or grittier than comparable options, prompting a few owners to seek aftermarket trigger work. Pricing gets weighed against alternatives, though most buyers in this category consider it fair for the feature set. Holster availability and aftermarket accessories specific to the 509 platform are occasionally noted as more limited than for more common platforms. ## Pricing **4 offers available** | Vendor | Price | |--------|-------| | Guns Com | $630.99 | | Gritrsports Com | $884.99 | | Buds Gun Shop | $897.49 | | Shootingsurplus Com | $929.00 | ## Similar Products - [FN509 Tactical 9mm Pistol Bundle w/ Threaded Barrel & Night Sights](https://gunsnation.com/p/fn509-tactical-9mm-pistol-bundle-w-threaded-barrel-night-sights/UCEt9uKfv) - [FN 509 Tactical - 9mm, Night Sights, Optic-Ready, 24+1 Capacity](https://gunsnation.com/p/fn-509-tactical-9mm-night-sights-optic-ready-24-1-capacity/UCEt9uKff) - [FN 509 Tactical 9mm Pistol - FDE, Threaded Barrel, Night Sights](https://gunsnation.com/p/fn-509-tactical-9mm-pistol-fde-threaded-barrel-night-sights/UCEt9uIgK) - [FN 509 Tactical - Matte Black 9mm Semi-Auto Pistol](https://gunsnation.com/p/fn-509-tactical-matte-black-9mm-semi-auto-pistol/UCEt9uIxH) - [FNX Tactical .45 ACP Night Sight Pistol with Threaded Barrel](https://gunsnation.com/p/fnx-tactical-45-acp-night-sight-pistol-with-threaded-barrel/UCEt9uKgX) - [FN 509 Tactical - 9mm, 4.5" Threaded Barrel, Night Sights](https://gunsnation.com/p/fn-509-tactical-9mm-4-5-threaded-barrel-night-sights/UCEt9uIw3) --- *Data from [GunsNation](https://gunsnation.com)*