The Sauer S404 4-Round Magnum Magazine is a factory replacement extended magazine engineered specifically for standard-diameter Magnum calibers within the modular Sauer 404 rifle ecosystem. Constructed from steel with a durable black Teflon-style coating, it features a rugged, matte-finished alloy floor plate and a dependable polymer follower. This extended-capacity single-stack magazine utilizes Sauer's integrated MagLock safety system to prevent accidental release while ensuring positive, reliable feeding during high-stakes hunting scenarios.