The FN 509 is built on the proven architecture of the FNS Compact. Featuring a cold hammer-forged stainless steel barrel; combat-style sights; front and rear cocking serrations; MIL-STD 1913 accessory mounting rail; interchangeable backstraps; double action operation; fully ambidextrous slide stop lever and magazine release; fixed 3 dot luminescent sights and a polymer construction with replaceable steel frame/slide rails. Includes two interchangeable backstraps, two magazines, owners manual, locking device and soft pistol case.
| Sight Style |
Fixed |
| Grips |
FDE Interchangeable Backstrap |
| Frame Finish |
Flat Dark Earth |
| Caliber |
9mm Luger |
| Capacity |
17+1 |
| Sights |
3-Dot Fixed |
| Safety |
No |
| FireArm |
yes |
| Action |
DAO |
| Barrel Length |
4" |
| Frame Material |
Polymer |
| Weight |
26.90 oz |
| Barrel Length Range |
4.00" to 4.99" |
| Slide Description |
Serrated |
