![PROMAG MAG SIG P938 9MM 6RD BLUED STEEL (24) PROMAG MAG SIG P938 9MM 6RD BLUED STEEL (24)](https://cdn11.bigcommerce.com/s-c6aiidxwtg/images/stencil/300x300/products/35695/43239/BHPMSIG20__73089.1738869206.jpg?c=1)
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.