Weaver Top Mount Scope Base #42 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: Mossberg 400 (Front)Remington Models 10, 11, 12, 34, 341, 511, 512, & 521T (Front) Note: Mounting Hardware Included.