Fostech Origin-12 30 Round Drum Shotgun Magazine 2 3/4in Black. Machined from aircraft-grade billet aluminum this drum embodies years of meticulous design and engineering. Pairing this drum with your Origin 12 shotgun is a must-have upgrade for any Origin 12 owner. Specifications for Fostech Origin-12 30 Round Drum Shotgun Magazine: Manufacturer: Fostech Color: Black Magazine Capacity: 30 Round Gun Type: Shotgun Package Contents: Fostech Origin-12 30 Round Drum Shotgun Magazine Fostech 7015-30RD: Origin-12 30 Round Drum Shotgun Magazine 2 3/4in Black