ProMag Sig Sauer P226 Magazine Blued Steel 9mm 20/rd SIG-A5

SIG-A5 An extended 20-rd magazine for the Sig Sauer P226 pistol 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.