- 65-round drum magazine
- Fits AR-15® 5.56mm rifles
- Over molded stamped steel feed lips and magazine catch
- Magazine body constructed of a proprietary DuPont™ Zytel® based polymer
- Injection molded follower
- Magazine spring formed from heat treated chrome silicon wire
- Made in USA
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. Made in USA