ProMag SMI-A1 Smith & Wesson 910, 915, 459, & 5900 Series 9mm Magazine 15 Round, Blued

ProMag S & W 910, 915, 459 & 5900 Series 9mm (15)Rd Blue Steel Magazine.

A double-stack 15-rd magazine for the Smith & Wesson 910, 915, 459, and 5900 series of pistols in 9mm. Constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate molded from a proprietary Zytel based black polymer and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability.