Weaver Top Mount Scope Base #20A Gloss

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: Interarms Mark X (Front)Mossberg 400 (Rear)Remington Models 14 & 141 (Rear)Western Field 770 (Front)Winchester Models 05, 07, & 10 (Rear) Notes:This is 1-piece base of a 2-piece system.Mounting Hardware Included