Leapers RBTAKM30 30Rd Windowed 7.62X39mm Black Polymer/Steel Durable Impact Resistant Glass Fiber-Reinforced Matte Black Polymer Construction. Steel-Reinforced Locking Lugs. Reliable Feed High Visibility Blue Follower And Stainless-Steel Spring. 30 Round Capacity With Left And Right Side Co-Molded Polymer Windows And Debossed Round Count Indicators. Raised Bosses For Added Grip Retention. Easy Disassembly And Maintenance With Removable Flared Floor Plate Caliber: 7.62X39mm Capacity: 30Rd Material: Polymer/Steel Capacity: 30 Manufacturer: Leapers Mfg Number: RBTAKM30