Solid steel scope base for 3/8-inch grooved receivers. Weaver's Grand Slam construction delivers reliable mounting for rifles requiring traditional top-mounted optics.
The Weaver Grand Slam Steel Top Mount Base provides a time-tested solution for mounting optics on rifles equipped with 3/8-inch grooved receivers. This design represents a straightforward approach to scope mounting—no complications, just solid steel engineering.
The Grand Slam line from Weaver has long been the standard for shooters who value dependability over novelty. This top-mounted base is designed for rifles that use the traditional 3/8-inch dovetail or grooved receiver system. The solid steel construction ensures your scope stays mounted through recoil and field use.
If you're building or maintaining a rifle that requires a traditional scope base, this Weaver option delivers the straightforward functionality that has made the brand trusted by generations of shooters.