PROMAG MAG SIG P228 9MM 13RD BLUED STEEL (24)

SIG-A3 A 13-rd magazine for the Sig Sauer P228 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.