Weaver Mounts Multi-Slot Base 416T features a durable aluminum construction with a sleek black finish. Specifically engineered to fit Winchester 1300 shotgun platforms, this base utilizes a Weaver-style rail interface to accommodate various optics configurations. Included mounting hardware allows for a solid, reliable installation on your receiver. 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.