ProMag 12 Round 9mm Smith & Wesson M&P Compact Magazine, Blue - SMIA15

This replacement magazine for the Smith and Wesson Shield chambered in 9mm is constructed from heat-treated blued-steel. Its components molded from our proprietary Technopolymer and the anti-fatigue spring.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 the USA