This is a single-stack 8 round magazine for the Smith & Wesson Model 39 pistol in 9mm from ProMag. It is constructed from heat-treated steel with black oxide finish, with a follower, lock-plate, and base-plate molded from a proprietary Zytel based black polymer and using a spring wound from chrome silicon wire and heat-treated for strength and reliability.

Caliber: 9mm

Capacity: 8 rounds

Finish: Blued

Material: Steel

Fits: S&W Model 39 9mm pistols

ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Each step of the assembly process is checked and double checked to maintain the same consistent level of quality.