Description
**MAGAZINE NOT INCLUDED**
Features:• 18 rounds with the midsize 9mm 15rd mag and the factory spring• 18 rounds with the midsize 9mm 15rd mag and the extra power
Compatibility:• FN 509 Midsize 15rd magazines• Does not work on FN 509 17rd or 12rd mags• Does not work with a magwell
Product Overview:Springer Precision has designed and created a +3 magazine extension for the FN 509 Midsize using precise CNC machining methods that offer a lifetime of durability. The product is hard anodized for black and gray. The Tan option is Cerakote to match the FN FDE color. The unique locking mechanism allows for a very solid attachment with a simple backing out of the discrete set screw.
Custom engraved and custom colors are non-returnable









