While the Stern Defense Mag-AD Series ejectors are built for durability, extended use can eventually lead to wear. Keeping a spare on hand ensures your firearm stays operational when you need it most. The Mag-AD Series Ejector Replacement Kit is a genuine OEM replacement, crafted from heat-treated 1050 spring steel for strength and longevity. Its electroless nickel coating enhances corrosion resistance, providing extended service life and reliable performance. Designed as a direct replacement, this kit restores functionality to Mag-Ad Series ejectors for continued reliability Constructed from heat-treated 1050 spring steel, this component delivers superior strength, durability and resilience under high-stress The NiB coating enhances wear resistance, reduces friction and ensures smooth operation for long-term reliability