ProMag Magazine, 9mm, 21 Rounds, Fits Sig Sauer P320, Steel, Blued Finish
- 21 Round Capacity
- Steel Construction
- HeatTreated Chrome Silicon Wire Spring
- Manufactured & Assembled in the U.S.A.
- Easy Loading
- Rugged Construction
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.