Century Arms US Palm Banana Yellow AK-47 Rifle Magazine 7.62x39mm 30 Round Yellow 1 Pack Polymer 30RD. The polymer magazine features a low friction self-cleaning polymer follower and the unique waffle and tread design that is synonymous with the US Palm brand. Specifications for Century Arms US Palm Banana Yellow AK-47 7.62x39mm 30 Round Rifle Magazine: Manufacturer: Century Arms Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: .223 Remington Package Contents: Century Arms US Palm Banana Yellow AK-47 7.62x39mm 30 Round Rifle Magazine Century Arms MA1196A-30RD: US Palm Banana Yellow AK-47 Rifle Magazine 7.62x39mm 30 Round Yellow 1 Pack Polymer