PROMAG FN 509 CMPCT 9MM 12RD BLU STL

ProMag magazines are designed utilizing both traditional stamping and welding of heat-treated high carbon steel” and modern precision injection molding of mil-spec polymer compounds. Every ProMag magazine is backed by a lifetime guarantee against manufacturer’s defects. Made in USA

12-round magazine
Fits FN 509 compact 9mm pistol
Magazine body constructed of heat treated steel with black oxide finish
Injection molded magazine follower
Magazine spring formed from heat treated chrome silicone wire
Made in USA