Assistant: Product: ProMag Industries Drum Magazine for AK-47, 7.62x39mm, 50 rounds, polymer, black, model DRM-A-9, UPC 708279014185. SEO keywords: ProMag AK-47 drum magazine, 7.62x39 50 round drum, AK drum mag, etc. Structure: - h1 with model, UPC, main keywords - Intro p with bold model and UPC - Short p summary - h2 Key Features ul - h2 Specifications table - Descriptive p - The End Make it long: detailed features, benefits. Key features: - 50-round capacity - Polymer construction (lightweight, durable) - Fits AK-47 pattern rifles - 7.62x39 - Black - Reliable feed, double stack - Lifetime warranty probably Specs: - Caliber: 7.62x39 - Capacity: 50 - Material: Polymer - Fit: AK-47 - Model: DRM-A9 - UPC: 708279014185 Description: High-capacity drum for sustained fire, range toy, etc.