FN 509 Compact 9mm 3.7″ FDE Polymer Frame Stainless Slide
About this product
The FN 509 Compact is a semi-automatic compact pistol chambered in 9mm and engineered to deliver full-sized performance in a concealable footprint. It combines a Flat Dark Earth polymer frame and an accessory rail with a stainless steel, serrated slide and a 3.70-inch hammer-forged barrel. Low-profile snag-free sights and enhanced grip texturing support controlled follow-up shots in varied conditions. The design prioritizes a compact overall length and user-focused controls for everyday carry and duty-style applications.
Key Specifications
- The pistol is chambered in 9mm.
- The barrel measures 3.70 inches.
- The frame material is Polymer with a Flat Dark Earth finish.
- The slide is Stainless Steel and features serrations for improved manipulation.
- The overall length is 6.80 inches.
- The unloaded weight is 25.50 oz.
- The sight package is Hi-Viz front, low-profile rear.
- Ergonomics include an interchangeable backstrap and fully ambidextrous controls.
- Ships with two magazines; magazine capacities vary by configuration and region.
Compact yet capable, the FN 509 Compact delivers a balanced combination of durability, ergonomics, and everyday usability. Its compact dimensions, accessory-ready frame, and robust construction make it a suitable option for shooters seeking a no-nonsense carry-oriented pistol that adapts well to both everyday carry and range use.
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Specs at a glance
Key attributes
| upc | 845737012816 |
| manufacturer | FN America / FN Herstal |
| manufacturer part number | 66-100818 |
| action | Double Action Only |
| barrel length | 3.70" |
| caliber/gauge | 9mm |
| capacity | 15 + 1 |
| color | Flat Dark Earth |
| number of magazines | 2 |
| safety | No |
| shipping weight | 3.1 |
| sights | Low-profile, High-Viz front dot |
| sights type | HiViz Front, Low Profile Rear |
| slide description | Serrated |
| atf type | Pistol |
| length | 11.5 |
| package height | 2.5 |
| package width | 8.5 |
| product type | Semi-Auto Pistol |
| units per box | 1 |