SIG SAUER MPX 9mm Luger 20 Round Pistol Magazine Black 1 Pack Polymer 20RD. Compatible with all generations of SIG MPXs. Specifications for SIG SAUER MPX 9mm Luger 20 Round Pistol Magazine: Manufacturer: SIG SAUER Color: Black Fabric/Material: Polymer Magazine Capacity: 20 Round Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer MPX Quantity: 1 Package Contents: SIG SAUER MPX 9mm Luger 20 Round Pistol Magazine SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER MPX 9mm Luger 20 Round Pistol Magazine is compatible with? The manufacturer suggests that SIG SAUER MPX 9mm Luger 20 Round Pistol Magazine is compatible with SIG Sauer MPXSIG SAUER 8900828-20RD: MPX 9mm Luger 20 Round Pistol Magazine Black 1 Pack Polymer