Fn 509, Fn 20100377 509c Mag 9mm Ext Fp 10r Blk

This magazine is compatible with your fn 509 compact.It features a stainless steel body with flat black finish, high visibility anti-tilt follower, and extended floorplate.*note- this mag will not work with fns or fnx pistols.

Caliber: 9mm Luger
Capacity: 10rd
Finish: Black
Model: 509
Material: Steel
Model Fit: 509 Compact
Brand Fit: FN
Capacity: 10