This magazine is compatible with your FN 509. It is constructed of stainless steel with at flat black finish, high visible anti-tilt follower, and flat base pad.*Note- This mag will not work with FNS TM or FNX TM pistols.
Specifications and Features:
- Caliber: 9mm Luger
- Capacity: 10rd
- Finish: Flat
- Model: 509
- Material: Stainless Steel
- Type: Detachable
- Model Fit: 509
- Brand Fit: FN
- Capacity: 10
WARNING
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
www.p65warnings.ca.gov