The gloss black Top Mount Base #50 from Weaver has been machined to tight tolerances for a custom fit. This aluminum base offers maximum strength so that the rings will hold tight.
Compatilbility
Note: The Winchester 54, and the early model 70 with serial numbers below #66 350; 60, 67, and 68 may require bolt and/or safety alterations to function safely and properly. Consult with a qualified gunsmith.
