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.
Remington Models 12A, & 121 with 3/4" diameter barrels (Front)
Savage Models 4 & 5 (Front)
Stevens Models 56 & 66 (Front)
Winchester Models 57 & 69 (Front)
This is a 1-piece base for a 2-piece system.
Mounting Hardware Included
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