The Leupold 1-Piece Steel Standard Base is created with an eye on stability that is backed by the Leupold name. The high-grade steel used for making the piece provides the strength to withstand the most extreme of recoils. This combined with the one-piece design makes for increased stability. The quality make creates a base able to provide the stability and security needed for accurate scopes. Alignment will hold up even with regular rounds and use during all sorts of weather.