Upgrade your Glock 43X or 48 with the innovative S15 Gen 3 magazine a flush-fitting steel design that boosts your capacity from 10 to 15 rounds without increasing its size. Precision-engineered with raised rear ribs for precise mag well alignment and constructed from thicker tougher steel for lasting durability. Coated with a black nitrocarburized QPQ finish this magazine offers superior corrosion resistance. Made by a US-based manufacturer it features modular tooling for high-quality standards. Expand your performance with a magazine that's engineered for reliability and longevity. Caliber: 9mm Luger Capacity: 15 rounds.