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.
- 40-round drum magazine
- Fits .45 ACP AR-15® using Glock® type .45 ACP magazines
- Drum housing constructed of a proprietary DuPont® Zytel™ based polymer
- Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
- Injection molded magazine follower
- Magazine spring formed from heat treated stainless steel
- Made in USA
