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. This ProMag S&W M&P9 Drum Magazine is constructed out of DuPont Zytel based polyer and the upper tower has full length steel internal insert stamped and welded like the factory magazine.

Specifications and Features:
Manufactured from Durable Polymer
Caliber: 9mm Luger
Capacity: 50 Rounds
Full Length Steel Internal Insert
Injection Molded Follower
Stainless Steel Spring
Made in the USA
Black

Fits: S&W M&P9 9mm Luger