Weaver No. 410 Base T/C Encore Rifle & Pistol & Omega .50 Standard One Piece Detachable Top-Mount Base Black 48513 Details

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. Fits: Thompson Center Encore