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Weaver Top-Mount #45 Scope Base Gloss For Browning Springfield Mauser 48045
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 48045-076683480453
Overview
This gloss top-mount scope base is intended for hunters setting up a compatible rifle with a secure optic mounting point. Its tight machining is meant to provide a custom fit, while the square-cut notch is designed to mate with Weaver detachable rings for a solid interface under recoil. It is listed for a wide range of rifles, including Browning bolt actions, Mauser 98 large ring variants, Springfield 03-A3, and several others, with fit depending on the specific base position noted. For a straightforward scope-mounting solution on supported rifles, it offers a practical, no-frills option.
Why Hunters Choose the Weaver
Machined Tight
Tolerances for a custom fit
Square-cut Notch
Weaver detachable ring cross bolts
Compatible Wide
A wide range of Browning,
Supports Both
Rear-base and front-and-rear-base applications on
Gloss Finish
Is clearly identified in the
Key Features
- Machined to tight tolerances for a custom fit
- Top-mount scope base from Weaver
- Square-cut notch mates with Weaver detachable ring cross bolt
- Designed to help fight recoil effects
- Gloss finish
- Fits Browning bolt actions and older Hi-Power models
- Compatible with multiple Mauser, Springfield, and Weatherby models
Best Used For
- Hunters mounting optics on compatible Browning, Mauser, or Springfield rifles
- Owners of older bolt-action rifles needing a rear or front Weaver top-mount base
- Shooters replacing a scope base on listed vintage or hard-to-fit rifle actions
- Users wanting a simple, recoil-conscious mounting interface for Weaver detachable rings
Specifications
| Blade Finish | Gloss |
|---|---|
| Custom Fit | Yes |
| Fits | Browning Bolt Actions; Hi-Power (older models) (rear base); CIL 972-C (rear base); Colt 57 (rear base); H and R 300, 301, 330, 370 (before 1973) (rear base); Herters J9 (rear base); Marlin 455 (rear base); Mauser (including FN, HVA and Swedish) 98 Large Ring (rear base); Modern Muzzleloading LK-93, Wolverine, Legend (round receiver) (front and rear base); Musgrave Mark III and Mark IV (rear base); Parker Hale 1000, 1000C, 1100, 1200, 1700 (rear base); Sears 50, 51 (rear base); Springfield 03-A3 (front base); Voere 2150, 2165/1, 2165/3, 2165/4 (rear base); Weatherby Models with FN actions (rear base) |
| Machined To Tight Tolerances | Yes |
| Model Number | 48045 |
| Mount Type | Top-Mount |
| Product Type | Scope Base |
| Recoil Resistance Design | Yes |
| Square Cut Notch | Yes |
Pros
- Machined to tight tolerances for a custom fit on listed rifle models.
- Square-cut notch is designed to mate with Weaver detachable ring cross bolts.
- Compatible with a wide range of Browning, Mauser, Springfield, and other actions.
- Supports both rear-base and front-and-rear-base applications on specified models.
- Gloss finish is clearly identified in the product title.
Considerations & Trade-offs
- Fit is limited to the specific rifle models and base positions listed, so compatibility should be verified carefully before ordering.
- This is a top-mount base intended for use with Weaver detachable rings, which means it is not a universal mount solution.
- The gloss finish may not match every rifle or optic setup, especially on more matte or low-reflection configurations.
- Several listed applications are rear-base only, so some rifles will require attention to front/rear base placement during installation.
Suggested Comparisons
- Scope mounting bases
- Scope rings
- Rifle scope mounting kits
- Iron sight setups
Suggested Accessories
- Scope rings
- Scope mount screws
- Torque wrench
- Thread-locking compound
Frequently Asked Questions
Which rifles does this Weaver Top-Mount #45 base fit?
The listed fitment includes Browning bolt actions and older Hi-Power models, CIL 972-C, Colt 57, H and R 300/301/330/370 made before 1973, Herters J9, Marlin 455, Mauser 98 large ring models including FN, HVA, and Swedish, Modern Muzzleloading LK-93/Wolverine/Legend, Musgrave Mark III and IV, Parker Hale 1000/1000C/1100/1200/1700, Sears 50/51, Springfield 03-A3, Voere 2150 and 2165 variants, and Weatherby models with FN actions. Fit position varies by rifle.
Is this a front or rear scope base?
It depends on the firearm listed. The product data identifies it as a rear base for several models, a front base for Springfield 03-A3, and both front and rear bases for Modern Muzzleloading LK-93, Wolverine, and Legend round-receiver models.
What ring system is this base designed to work with?
The description says it is designed to mate with the sturdy cross bolt in every Weaver detachable ring.
Does the product description mention finish or color?
The title identifies it as a gloss base. No other finish details are provided in the source data.
Are any mounting parts or installation instructions included in the product data?
No mounting hardware or installation instructions are specified in the provided product information.