The Glock Model 43x/48 50 Round Drum from ProMag fits the Glock Model 48 and 43x 9mm pistols. 

The drum housing is constructed of a proprietary DuPont Zytel based polymer. The magazine upper tower has full length steel internal insert stamped and welded like the factory magazine. It has over molded stamped steel feed lips and magazine catch. The follower is injection molded. It has a patented design and heat-treated stainless-steel magazine spring.

Caliber: 9mm

Capacity: 50 rounds

Finish: Black

Material: DuPont Zytel based polymer

Fits: Glock 43x and 48 pistols

ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Each step of the assembly process is checked and double checked to maintain the same consistent level of quality.