ProMag Colt Defender Magazine .45 ACP Blued Steel 7/rd COL 17

A 7-rd magazine for the 1911 Defender� Model pistol in .45acp. 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.