ProMag Magazine 5.7X28MM 20 Rounds Fits Ruger 57 Steel Blued Finish

ProMag, Magazine, 5.7X28MM, 20 Rounds, Fits Ruger 57, Steel, Blued Finish



WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.



Magazine body constructed of heat treated steel with black oxide finish

Injection molded magazine follower

Magazine spring formed from heat treated chrome silicon wire

Made in USA



ProMag magazines are designed utilizing both traditional stamping and welding of heat-treated high carbon steel, and modern precision injection molding of mil-spec polymer compounds. Every ProMag magazine is backed by a lifetime guarantee against manufacturer's defects. Made in USA.

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