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.

Features and Specifications:
Manufacturer Number:48445
Weaver
No. 424M Base
For: Weatherby Mark V
Standard Detachable Top Mount Base
Rear
Matte Black
Fits:
Weatherby Mark V except 240 Mag (rear)
Includes custom hardened fastening screws for mounting