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.

Technical Specifications:-

• H&R 800 (Front & Rear)
• Marlin Models 80, 81, 980 (Rear), XT-22/XT-17 (Front & Rear)
• Mossberg Models 25, 26, 42, 46M, 140, 142, 146, 45-46 with 3/4″ dia. bbls (Rear); 43, 44, 144, 46BT, 35 (Rear); 50, 51, 151, 152, 350, 352 (Front & Rear)
• Remington Models 514 (if not drilled and tapped) & 550 (Front & Rear)
• Savage Models 4, 5, & 12 (Rear); 6 & 7 (Front & Rear)
• Sears Models 42 & 43 (Rear)
• Stevens Models 56 & 66 (Rear); 57, 76, 4171/2, & 762 (Front & Rear)
• Stevens-Springfield Models 85, 87, & 872 (Front & Rear)
• Winchester Models 47, 57, 69, 69A, & 72 (Rear); 74 (Front and Rear)
• Ruger American Rimfire