Fn 509, Fn 20100349 509m Mag 9mm 10r Blk

This magazine is compatible with your fn 509 midsize.

Caliber: 9mm Luger
Capacity: 10rd
Finish: Black
Model: 509
Material: Stainless Steel
Type: Detachable
Model Fit: 509 Midsize
Brand Fit: FN
Capacity: 10