This Kimber Ultra Recoil Spring Assembly is compatible with 3 inch Ultra models in .40 S&W and .45ACP, delivering the reliability of a genuine factory OEM part. Made to the highest Kimber standards, this factory original Kimber part is the perfect replacement for your original worn parts or to keep as a spare. It serves as a complete drop-in replacement recoil spring assembly for Ultra models in 45ACP or 40 S&W.
This assembly includes the recoil spring, recoil spring plug and guide rod, eliminating the need to source and install individual components. Stainless steel construction offers superior strength and unmatched corrosion resistance for lasting service, while the drop-in design allows for simple, tool-free installation. Kimber recommends replacing the recoil spring assembly every 1,800 rounds to maintain optimal performance. Only rely on genuine Kimber parts and accessories for your Kimber firearm.





