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.
FEATURES:
- 40-round 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
- Patented anti-tilt Roller follower
- Magazine spring formed from heat treated chrome silicon wire
- Made in USA
