ProMag Springfield XD40 Magazine .40 S&W Blued Steel 11/rd

An 11-rd magazine for the Springfield Armory Inc. XD pistols in .40S&W. Constructed from heat-treated blued-steel with a follower lock-plate and base-plate molded from a proprietary DuPont Zytel based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability. Made in the U.S.A.