Weaver #401S Top Mount Scope Base for S&W Revolvers
Precision-machined aluminum scope base for Smith & Wesson K, L, and N Frame revolvers. One-piece design with silver finish delivers rock-solid mounting and maximum ring retention under recoil.
Weaver #401S Top Mount Scope Base
The Weaver #401S is a purpose-built scope mounting solution for Smith & Wesson K, L, and N Frame revolvers, including popular models like the 29, 629, 625, and 686. This one-piece aluminum base represents the kind of straightforward engineering that serious shooters depend on.
Design and Construction
- Precision machining to tight tolerances ensures a custom fit without modification to your firearm
- One-piece aluminum construction provides maximum strength and rigidity
- Silver finish complements classic revolver aesthetics
- Weaver cross-lock design accommodates a wide variety of ring styles and sizes
Performance Features
The base is engineered to keep scope rings firmly in place under the recoil impulse of magnum revolvers. The tight tolerances mean you get a snug, secure fit that doesn't require gunsmithing or modification. Once mounted, you'll spend less time troubleshooting your sight picture and more time at the range.
Compatibility
Designed specifically for factory-drilled S&W K, L, and N Frame revolvers. If your revolver came drilled and tapped from the factory, this base will mount directly without modification.
Weaver bases are available in top-mount and side-mount configurations, as well as one-piece and two-piece designs. Choose the #401S for a clean, integrated top-mounted solution.
Features
- one-piece aluminum base
- machined for tight tolerances and secure fit
- compatible with factory-drilled revolvers
- fits smith & wesson models 29, 629, 625, 686
- fits s&w l, k, and n frame revolvers
- designed for use with scope rings
- aluminum construction
- tight tolerances
- maximum strength
