The FN 509M Magazine Sleeve is a 9mm caliber accessory specifically designed for use with a 24-round magazine. This black sleeve is a lightweight addition to your firearm with a shipping weight of just 0.1.
Specs
| Model No. | FN20-100356 |
| Model | FN 509M Magazine Sleeve |
| Manufacturer | FN |
| Caliber | 9mm |
| Capacity | 24 |
| Weight | 0.1 |
