Weaver Mounts Multi-Slot Base is a one-piece, extended-length base designed for Savage Axis I and Axis II rifles manufactured after June 2021. CNC-machined in the USA from lightweight, aerospace-grade 6061-T6 aluminum with a non-reflective matte Type III hardcoat anodized black finish, it features a Picatinny-type rail (MIL-STD-1913) with a versatile cross-slot profile compatible with both Picatinny and Weaver-style rings. Built-in 20 MOA forward tilt preserves scope elevation travel. Drilled for larger #8-40 Torx mounting screws to match post-2021 Axis receiver threading. Includes an integral recoil lug and an extended 1 forward overhang. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.