This is the FN 309 9mm 10-round magazine. 

If you’re in need of a replacement or spare factory 10-round magazine for your FN 309, you’re in the right place! 

Featuring a high-quality polymer body and an anti-tilt follower, this magazine delivers superior durability and reliability while remaining extremely lightweight.

FN also included side-facing witness holes so you’ll never have to guess how many rounds you have left. The FN 309 is ideal for everything from concealed carry to home defense, so you can never have too many magazines!

Don’t forget to add a couple to your cart before you check out!