FEATURES:
- 50-round drum magazine
- Fits MP5 / PTR9 9mm pistol
- Drum housing constructed of a proprietary DuPont® Zytel™ based polymer
- Magazine upper tower has an over molded heat treated carbon steel feed lip reinforcement
- Injection molded magazine follower
- Magazine spring formed from heat treated stainless steel
- Made in USA
ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.
