Weaver #55 Ia Mark X (20A)

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: - High Standard High Power (Rear) - Interarms Mark X (Rear) - Mauser Models Swedish 96 & Mark X - Mossberg Models 680 695 & 800 - Sears 51L (Rear) - Smith & Wesson Mauser actions with small receiver rings (Rear) - Springfield 03 (Front) - Western Field Models 770 (Rear) & 775 & 780 (Front & Rear)