Weaver #35 Top Mount Base Matte – Precision Optics Accessory for Secure Scope MountingWeaver$8.49
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Weaver
The Weaver #403 top mount base is a straightforward, durable foundation for mounting optics on rifles, shotguns, and long-range handguns. Built from lightweight aluminum, this base delivers the rigidity needed for reliable scope mounting without adding unnecessary heft. Whether you're building a hunting rifle, setting up a precision shooter, or working on a specialized handgun platform, the #403 offers the kind of dependable performance shooters have trusted for decades.
Top mount bases sit directly atop your receiver, making them a clean, efficient choice when your firearm's design allows. The gloss finish provides a classic look while resisting corrosion in the field. Since the #403 is designed to work across a broad range of modern and vintage rifle models—as well as shotguns and magnum handguns—it's a versatile option for gunsmiths and shooters with multiple platforms. Weaver bases are engineered to tight tolerances and mate reliably with Weaver-pattern rings and mounts.
Keep in mind that the #403 is sold individually, so you'll need to order both a front and rear base to complete your mounting solution. If you're building a scope setup from scratch, verify that the #403 is the correct base for your specific rifle model or platform before ordering. Weaver offers a range of base options (#11 through #62) and some models in paired sets, so taking a moment to confirm compatibility ensures a perfect fit and hassle-free installation.
| Brand | Weaver |
| Model | #403 Top Mount Base |
| Finish | Gloss |
| Material | Aluminum |
| Quantity | Sold individually (front or rear) |
The #403 fits a wide range of modern and vintage rifles, plus shotguns and long-range handguns. However, base compatibility is specific to your firearm model. Weaver offers bases #11 through #62 for different platforms. Confirm that the #403 is correct for your gun before ordering, or contact us with your rifle's make and model for guidance.
Yes. Scope bases are sold individually, so you'll need to order a front base and a rear base to complete your mounting solution. Some rifle models also come in paired base sets, which are marked accordingly. Check whether your platform requires a pair of #403 bases or a marked set.
The #403 is designed to work with rings and mounts that follow the Weaver-pattern standard. This gives you a broad selection of mounting options from Weaver and other manufacturers that produce Weaver-compatible accessories.
The Weaver #403 is finished in gloss, which delivers a classic appearance and corrosion resistance suitable for field use.
Weaver
The Weaver #403 top mount base is a straightforward, durable foundation for mounting optics on rifles, shotguns, and long-range handguns. Built from lightweight aluminum, this base delivers the rigidity needed for reliable scope mounting without adding unnecessary heft. Whether you're building a hunting rifle, setting up a precision shooter, or working on a specialized handgun platform, the #403 offers the kind of dependable performance shooters have trusted for decades.
Top mount bases sit directly atop your receiver, making them a clean, efficient choice when your firearm's design allows. The gloss finish provides a classic look while resisting corrosion in the field. Since the #403 is designed to work across a broad range of modern and vintage rifle models—as well as shotguns and magnum handguns—it's a versatile option for gunsmiths and shooters with multiple platforms. Weaver bases are engineered to tight tolerances and mate reliably with Weaver-pattern rings and mounts.
Keep in mind that the #403 is sold individually, so you'll need to order both a front and rear base to complete your mounting solution. If you're building a scope setup from scratch, verify that the #403 is the correct base for your specific rifle model or platform before ordering. Weaver offers a range of base options (#11 through #62) and some models in paired sets, so taking a moment to confirm compatibility ensures a perfect fit and hassle-free installation.
| Brand | Weaver |
| Model | #403 Top Mount Base |
| Finish | Gloss |
| Material | Aluminum |
| Quantity | Sold individually (front or rear) |
The #403 fits a wide range of modern and vintage rifles, plus shotguns and long-range handguns. However, base compatibility is specific to your firearm model. Weaver offers bases #11 through #62 for different platforms. Confirm that the #403 is correct for your gun before ordering, or contact us with your rifle's make and model for guidance.
Yes. Scope bases are sold individually, so you'll need to order a front base and a rear base to complete your mounting solution. Some rifle models also come in paired base sets, which are marked accordingly. Check whether your platform requires a pair of #403 bases or a marked set.
The #403 is designed to work with rings and mounts that follow the Weaver-pattern standard. This gives you a broad selection of mounting options from Weaver and other manufacturers that produce Weaver-compatible accessories.
The Weaver #403 is finished in gloss, which delivers a classic appearance and corrosion resistance suitable for field use.
