This is the Mec-Gar 1911 9mm 9-round magazine.

MEC-GAR magazines meet or exceeded the tolerance guidelines” stringent testing and exacting requirements of military and law enforcement customers around the world.

MEC-GAR incorporates the highest level of quality control measures during the manufacturing process and critical dimensions are regularly checked to maintain tolerance specifications.

Pick up a spare Mec-Gar 1911 9mm magazine at The Mag Shack.