Weaver Multi-Slot Base 430T is engineered specifically for Ruger 10/22 rimfire rifle platforms. Constructed from durable aluminum in a black finish, this base utilizes a Weaver-style multi-slot rail interface to provide maximum flexibility for optic placement and ring spacing. It includes all necessary mounting hardware for direct installation. Rings are not included. Designed for reliable performance and precise alignment on your firearm. 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.