Thril PMX SM9 Gray Detachable 35rd for 9mm Luger Sig MPX Gen II The NEW 9mm 35 Round Generation 2 SM9 MPX Mag for the SIG SAUER MPX® by THRiL features stainless steel feed-lips and superior ergonomics, with an improved follower design and a stability rib on the rear spine. The refined design of this Generation 2 SM9 MPX Mag enhances reliability across a broad range of shooting conditions and ammunitions for the SIG SAUER MPX® and KM models. Branded for the firearm enthusiasts, THRiL tactical products allow you to SUPPORT YOUR PASSION.