ProMag Saiga 12 Gauge 12 Round Shotgun Drum Magazine 12 Round Black 1 Pack DuPont Zytel Polymer 12RD. It is constructed of DuPont Zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire. Specifications for ProMag Saiga 12 Gauge 12 Round Shotgun Drum Magazine: Manufacturer: ProMag Color: Black Fabric/Material: Polymer Magazine Capacity: 12 Round Gauge: 12 Gun Make: Saiga Gun Model: Saiga Gun Type: Shotgun Caliber: 12 Gauge Package Contents: ProMag Saiga 12 Gauge 12 Round Shotgun Drum Magazine What firearm models does the manufacturer say ProMag Saiga 12 Gauge 12 Round Shotgun Drum Magazine is compatible with? The manufacturer suggests that ProMag Saiga 12 Gauge 12 Round Shotgun Drum Magazine is compatible with SaigaProMag SAI-A7-12RD: Saiga 12 Gauge 12 Round Shotgun Drum Magazine 12 Round Black 1 Pack DuPont Zytel Polymer