Thril PMX SM9 9mm 35 Rounds 9mm Pistol Magazine Black 35. 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. Specifications for Thril PMX SM9 9mm 35 Rounds 9mm Pistol Magazine: Manufacturer: Thril Gun Make: SIG Sauer Caliber: 9mm Luger Magazine Capacity: 35 Round Fabric/Material: Polymer Package Contents: Thril PMX SM9 9mm 35 Rounds 9mm Pistol Magazine Thril PMXSM935BLK: PMX SM9 9mm 35 Rounds 9mm Pistol Magazine Black 35