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 manufacturers defects. Made in USA. Features : Drum housing constructed of a proprietary DuPont Zytel based polymer Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine Injection molded magazine follower Magazine spring formed from heat treated stainless steel Made in USA . Please Note - We just added this product to our catalog, so it may not show all attributes, description, or pictures. We're working on cleaning it up!. | ProMag S&W Sd9 9mm Drum in Black | 50 Rounds
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