Fostech Barret M107A1 / M82A1 .50 Caliber 20 Round Drum Semi Auto Rifle Magazine Black. 50 Caliber Drum exclusively for the Barrett M107 and 82A1. This isnt just another drum; its engineered from billet aluminum with military-grade durability this drum doesnt flinch under pressure. With every detail honed for performance this drum is built to withstand the brutal energy of .50 caliber rounds. Its rugged construction guarantees smooth feeding and seamless operation letting you push your Barrett to its limits without a second thought. The FosTecH 20 Round Drum is a powerhouse designed to thrive round after round. FosTecHs 20 Round .50 Caliber Drum is a purpose-built upgrade crafted to fuel the intensity of your Barrett and elevate your shooting experience. Load up and let your Barrett roar with FosTecH. Specifications for Fostech Barret M107A1 / M82A1 .50 Caliber 20 Round Drum Semi Auto Rifle Magazine: Manufacturer: Fostech Color: Black Magazine Capacity: 20 Round Caliber: .50 BMG Gun Make: Barrett Gun Type: Semi-Automatic Rifle Package Contents: Fostech Barret M107A1 / M82A1 .50 Caliber 20 Round Drum Semi Auto Rifle Magazine Fostech 1501-20RD: Barret M107A1 / M82A1 .50 Caliber 20 Round Drum Semi Auto Rifle Magazine Black