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.
