The XTech Mag47 MIL Gen2 is the strongest U.S.-made AK47 mag ever. Body is super-tough composite. Reinforced with stainless steel at the feed lips and locking lugs. Solid steel machined rear lug. 30-round capacity Super-tough composite body Stainless steel reinforced feed lips and locking lugs Stainless steel solid steel machined rear lug Spring anti-bind mechanism Stainless steel spring Quick-release base plate Lifetime Manufacturer Warranty