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 Glock 48 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:
This is not a Glock Factory Magazine, it is an after market Magazine
Manufactured from Durable Polymer
Caliber: 9mm Luger
Capacity: 30 Rounds
Full Length Steel Internal Insert
Injection Molded Follower
Stainless Steel Spring
Made in the USA
Black

Fits: Glock 48 and 43X Models