Constructed of Cation Electrodeposition coated steel, these drums reliably feed 75 rounds of 7.62x39mmthrough its central tower. Featuring a hinged lid with a two latch system for rear loading, they can be stored at full capacity indefinitely without tension. Disclaimer: Lifetime Warranty VOIDED if customer disassembles magazine! This magazine is not designed to be used with hollow point ammo.Features :Compatibility: AK-47 / AKMCaliber: 7.62x39mmCapacity: 75 RoundsBody Material: SteelSpring Material: Stainless SteelFinish: Cation Electrodeposition Coating