ProMag Industries, Magazine, 9MM, 21 Rounds, Fits Sig Sauer P320, Steel, Blued Finish

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.

• 21-round magazine
• Fits Sig Sauer® P320™ 9mm 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