RWS Umarex Fusion 2 Magazine .177 Caliber Pellet 9 Round. Simply insert a pellet into the open port and then rotate the wheel to the next position. You'll want to shoot more and more so keep several spare magazines loaded up for the occasion. Specifications for RWS Umarex Fusion 2 Magazine .177 Caliber Pellet: Manufacturer: RWS Color: Black Fabric/Material: Nylon Magazine Capacity: 9 Round Projectile Caliber: .177 Caliber Package Contents: RWS Umarex Fusion 2 Magazine .177 Caliber Pellet RWS 2251366: Umarex Fusion 2 Magazine .177 Caliber Pellet 9 Round