Thompson Center 2-Piece Silver Weaver Detachable Top Mount Base Set Front & Rear

Each Weaver base is machined to the tightest tolerances for a custom fit. They are designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross bolt in every Weaver detachable ring. Base Type: 2 Piece Base- Material: Aluminum- Style: Weaver- Finish: SilverFits: - Thompson Center System 1 Black Diamond Note: Mounting Hardware Included.