Weaver Mounts Multi-Slot Base is a one-piece, extended-length base designed for Remington 700 and Howa 1500 long action rifles. CNC-machined in the USA from 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 multi-slot profile compatible with both Picatinny and Weaver-style rings. Flat 0 MOA cant. Includes an integral recoil lug for long-action recoil, no-slip/no-strip Torx mounting screws, 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.