ProMag
S&W 910/915 20 Round 9mm Magazine - Blued
An extended double-stack 20-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 DuPont Zytel based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability.
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