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: Gloss Black
– Mossberg 500AS & 600 Shotguns
Note: Mounting Hardware Included.