Sig Sauer 18 Round .40 S&W/.357 SIG Magazine, Black - MAGMODF4318

This magazine is designed for the Sig Sauer P320 full sized. It features an 18 round capacity and works with .40 Auto and 357 Sig ammunition.18 round magazine for the SIG SAUER P320 and P250 pistols chambered in .40 AUTO or .357SIG. Full-size models only.