Origin-12 Drum 20rd Shotgun Magazine

ProMag 20 Round 12 Gauge Drum Magazine, Black - MKAA1

ProMag Saiga 12 Gauge 20rd Drum Magazine, Black Polymer SAI-A6

ProMag Saiga 12 Gauge 12rd Polymer Drum Magazine SAI-A7

ProMag 15 Round 12 Gauge Drum Magazine, Black - SAIA11

Typhoon Defense X12 12 Gauge 20 Round Magazine, Black - AM20

Panzer Aluminum Skeletonized 12 Gauge 20rd Drum Magazine - PA20RDM

InchFosTech Outdoors ORIGIN-12 Magazine 12 Gauge 10 Rounds