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