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Weaver Top-Mount #402 Extension Scope Base Gloss ForSavageage Marlin, 48108
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SKU: 48108-076683481085
Overview
This top-mount scope base is intended for hunters and shooters setting up a compatible rifle or shotgun for optic use with a secure, repeatable mount. It is machined to tight tolerances for a custom fit and uses a square-cut notch designed to mate with Weaver detachable rings, helping the setup stay aligned under recoil. The gloss finish gives it a clean, traditional look, but the real value is in its fitment across a wide range of listed firearms, including several Savage, Marlin, and Mauser models. Because compatibility is specific, it is best suited to owners who already know their exact platform and want a straightforward mounting solution.
Why Hunters Choose the Weaver
Machined Tight
Tolerances for a custom fit
Square-cut Notch
Weaver detachable ring cross bolts
Built Help
Fight recoil effects in scope
Compatible Wide
A wide range of listed
Includes Fitment
For Savage short-action and long-action
Key Features
- Weaver Top-Mount scope base designed for a custom fit with tight machining tolerances.
- Square-cut notch is made to mate with Weaver detachable ring cross bolts.
- Built to help resist recoil effects in mounted scope setups.
- Gloss finish.
- Compatible with select Savage Models 10, 12, 16, 510, 512, and 516 Short Action Rifle.
- Fits Savage 110, 111, 112, 116 FSS, 210 Shotgun, and Striker Pistol applications.
Best Used For
- Hunters mounting optics on compatible Savage, Marlin, or Mauser rifles and shotguns
- Shooters needing a top-mount base for Weaver detachable rings
- Owners replacing a scope base on listed older rifle and pistol models
- Users wanting a recoil-conscious mounting option for supported firearms
Specifications
| Blade Finish | Gloss |
|---|---|
| Compatible Ring Type | Weaver detachable ring |
| Extension | Yes |
| Fits Bauer 3000 And 4000 | Yes |
| Fits Cooey 71 | Yes |
| Fits Einfield | Yes |
| Fits H And R Models 300 301 330 And 370 Before 1973 | Yes |
| Fits H And R Models 300 301 La Post 1973 | Yes |
| Fits Herters J9 | Yes |
| Fits High Standard High Power | Yes |
| Fits Interarms Viscount | Yes |
| Fits Marlin Models 455 And Mr7 | Yes |
| Fits Mauser Model 98fn | Yes |
| Fits Musgrave Models Mark I Iv | Yes |
| Fits Navy Arms Country Boy Muzzle Loader | Yes |
| Fits Parker Hale Models 1000 1000c 1100 1200 And 1700 | Yes |
| Fits Savage Model 110 E And S | Yes |
| Fits Savage Model 111 | Yes |
| Fits Savage Model 112 R V And Fv | Yes |
| Fits Savage Model 116 Fss Long Actions | Yes |
| Fits Savage Model 210 Shotgun | Yes |
| Fits Savage Models 10 12 16 510 512 And 516 Short Action Rifle | Yes |
| Fits Savage Striker Pistol | Yes |
| Fits Schultz And Larsen | Yes |
| Fits Sears Models 50 51 51l And 53 | Yes |
| Fits Swedish 96 | Yes |
| Machined Tolerances | Tightest tolerances |
| Model Number | 402 |
| Recoil Design | Square-cut notch |
| Scope Base Type | Top-Mount Scope Base |
Pros
- Machined to tight tolerances for a custom fit on compatible firearms.
- Square-cut notch is designed to mate with Weaver detachable ring cross bolts.
- Built to help fight recoil effects in scope mounting applications.
- Compatible with a wide range of listed rifle, shotgun, and pistol models.
- Includes fitment for Savage short-action and long-action models, plus 210 shotgun and Striker pistol.
Considerations & Trade-offs
- This base is model-specific, so fit depends on matching the listed firearm exactly rather than using it as a universal option.
- The product is intended for Weaver detachable rings, so ring compatibility is part of the setup and may limit pairing with other systems.
- Some listed firearms require specific ring height notes, such as the Savage 210 Shotgun calling for X-high rings.
- The fit list is broad but specific; buyers should verify their exact model and action variant before ordering.
Suggested Comparisons
- Scope bases for bolt-action rifles
- Scope ring and base mounting systems
- Rifle optic mounting accessories
- Hunting rifle scope installation parts
Suggested Accessories
- Scope rings
- Scope mount screws
- Gun cleaning kit
- Torque wrench
Frequently Asked Questions
What rifles and firearms does this Weaver Top-Mount #402 Extension Scope Base fit?
The source lists fitment for Cooey 71; Einfield (cut like Winchester 70); H and R Models 300, 301, 330, and 370 before 1973; H and R 300, 301 LA Post 1973 in .270, 30-06, 7mm, and .300 Winchester; Herters J9; High-Standard High-Power; Interarms Viscount; Marlin Models 455 and MR7; Mauser Model 98FN; Swedish 96; Bauer 3000 and 4000; Musgrave Models Mark I-IV; Navy Arms Country Boy Muzzle Loader; Parker-Hale Models 1000, 1000C, 1100, 1200, and 1700; Savage Models 10, 12, 16, 510, 512, and 516 Short Action Rifle, 110 (E and S), 111, 112 (R, V, and FV), 116 FSS (Long Actions); Savage 210 Shotgun; Striker Pistol; Schultz and Larsen; and Sears Models 50, 51, 51L, and 53.
Is this a standard scope base or an extension base?
It is identified as a Weaver Top-Mount #402 Extension Scope Base.
What does the product description say about how it handles recoil?
Weaver says the base is 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.
What rings should be used with the Savage 210 Shotgun fitment?
The source specifically says Savage 210 Shotgun requires X-high rings.
Does the source provide material, dimensions, or finish details for this scope base?
No. The provided data does not list material, dimensions, or other construction specifications beyond the product being a gloss top-mount extension scope base.