ProMag DRMA106 50rd Drum Magazine for MP5/PTR9, 9mm

The ProMag DRMA106 is a 50-round drum magazine designed for H&K MP5 and PTR9 9mm pistols. The drum housing is constructed from a proprietary DuPont Zytel-based polymer and features an over-molded, heat-treated carbon steel feed-lip reinforcement. It uses an injection-molded follower and a spring formed from heat-treated stainless steel. The magazine is manufactured in the USA.

Key Specifications

• Manufacturer is ProMag with model DRMA106.
• Capacity holds 50rd.
• Caliber is 9mm.
• Specified compatibility: MP5 / PTR9.
• Drum housing material is a proprietary DuPont Zytel-based polymer.
• Magazine upper tower includes an over-molded, heat-treated carbon steel feed-lip reinforcement.
• It uses an injection-molded magazine follower.
• Magazine spring is formed from heat-treated stainless steel.
• Country of manufacture is USA.
• Weight is listed as 1.655 (shipping weight also 1.655).

Engineered with reinforced feed lips and stainless steel internals, the DRMA106 provides a durable, extended-capacity feeding solution for MP5 and PTR9 9mm platforms. The polymer drum keeps weight manageable while internal components are designed to support consistent operation in range and training contexts.