Description
This Ruger SR40 replacement magazine is constructed form heat-treated blued steel with its components molded from Technapolymer. The anti-fatigue spring, helps keep the magazine loaded and ready for years to come.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
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