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.
- 9-round extended magazine
- Fits Smith & Wesson® Shield® .40 S&W® pistol
- Magazine body constructed of heat treated steel with black oxide finish
- Injection molded magazine follower
- Magazine spring formed from heat treated chrome silicone wire
- Made in USA