The Weaver name is known for quality, and this 1-piece Pistol Mount Base delivers. These secure mounting systems provide a stable mount for you to attach your scope. Weaver is known for its precise, rigid bases designed to fit nearly all styles of firearms. Weaver bases come in top or side mounts as well as one or two pieces. Each has custom-hardened screws to fasten them on as well. Regardless of using your firearm at the range, on the job, or in the field, these bases will be secure.