ProMag Steel Handgun Magazine Officers .45 ACP Blued 6/rd

ProMag COL 01 - A 6-rd magazine for the 1911 Officer?s Model pistol in .45 ACP. 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.