The Weaver Mounts 48092 Top Mount Base 92A is a one-piece aluminum base designed specifically for the Thompson Center Contender G2. This base features the rock solid Weaver cross-lock design, which ensures a secure fit for a variety of rings. Each base is machined to tight tolerances, providing maximum strength and reliability.Key FeaturesMount Type: Designed to mount directly to the receiver for stability.Material: Constructed from aluminum for strength and durability.Color: Finished in black for a sleek look.