The ProMag FN 509 Compact 9mm 12 Round Blue Steel Magazine is a 12 round magazine that fits the FN 509 Compact 9mm pistol. It features and injection molded magazine follower and the magazine spring is formed from heat treated chrome silicon wire. ProMag's magazines are proudly made in the USA.
Fits the FN 509 Compact 9mm
Injection molded magazine follower
Magazine spring formed from heat treated chrome silicon wire
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