ProMag 15 Round .40 S&W Sig Sauer Pro Extended Magazine, Blue - SIGA13

This blued steel magazine from ProMag is compatible with a Sig Pro chambered in 40 S&W. It has a 15-round capacity.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