ProMag Smith & Wesson M&P Shield Extended Magazine 9mm 10 RoundsPRICE: $34.99An extended magazine for Smith & Wesson M&P Shield pistols chambered in 9mm. 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. SKU: SMI28 |