FN 509C 17 Round Magazine Sleeve, FDE. Manufactured from quality Flat Dark Earth polymer, this FN 509 Compact 17 round magazine sleeve is perfect for any compatible 509 Compact magazine, offering the use of increased capacity magazines and extends the grip surface. The sleeve showcases ergonomic texturing for a firm grip of the mag. Keep your magazines in top shape for your trip to range and for missions.
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