ProMag 8 Round 9mm Single Stack Magazine, Blue – SMI16

This ProMag single-stack 8 round magazine is for your Smith & Wesson Model 39 pistol. It is constructed from heat-treated blued-steel, with a follower molded from a proprietary DuPont Zytel based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability.ProMag magazines are designed utilizing traditional stamping and welding of heat-treated high carbon steel. Every ProMag magazine is backed by a lifetime guarantee against manufacturer’s defects.Features:Magazine body constructed of heat treated carbon steel with black oxide finishInjection molded magazine followerMagazine spring formed from heat treated chrome silicone wireMade in USA