The Weaver #59 Top Mount Base Gloss is a lightweight aluminum scope mount base built to secure optics on a broad range of rifles, from modern ARs and bolt guns to older hunting rifles. Whether you're setting up a precision long-range rig, a shotgun slug gun, or even a scoped handgun for extended shooting, this top-mounted base delivers the solid foundation you need. Sold individually, so you'll need both a front and rear base to complete your mounting setup—but that flexibility means you can match bases to your specific rifle platform and spacing requirements.

If you're new to scope mounting or swapping bases between guns, Weaver's numbering system can feel cryptic at first. The good news: Weaver publishes detailed compatibility charts, so you can cross-reference your rifle make and model to find the exact base you need. This aluminum construction keeps weight down without sacrificing rigidity, and the gloss finish resists fingerprints better than bare metal while maintaining a professional look in the field or at the range.

Because bases are sold individually and fit such a wide range of firearms, always confirm your rifle's requirements before ordering. Whether you're mounting a hunting scope on a .308 Winchester, a varmint optic on a precision .223 AR, or a slug gun sight, the #59 slots into Weaver's proven ecosystem of mounting solutions—a system trusted by shooters for decades.

Key Features

• Lightweight aluminum construction for minimal weight penalty
• Gloss finish resists fingerprints and corrosion
• Fits a wide variety of modern and vintage rifles, shotguns, and long-range handguns
• Sold individually—order front and rear bases separately for your setup
• Integrates with Weaver-compatible scope rings and optics

Specifications

Frequently Asked Questions

Do I need a front base and a rear base, or does one #59 base work alone?

You need both a front and a rear base to mount a scope. The #59 is sold individually, so order two—one for the front of your receiver, one for the rear. This two-base setup is standard across most rifle scope mounting systems.

How do I know if the Weaver #59 fits my rifle?

Weaver publishes detailed compatibility charts that cross-reference your rifle make, model, and year to the correct base number. Check the Weaver website or compatibility guide before ordering to confirm the #59 is the right fit for your gun.

Can I use the #59 base with any Weaver-compatible scope ring?

Yes. Once mounted, the #59 base accepts any standard Weaver-compatible scope ring, giving you flexibility in optic choice and ring brand.

Is the #59 base suitable for long-range hunting or precision rifle shooting?

The #59 is designed to work across a broad range of firearms and shooting disciplines. Verify it's the correct base for your specific rifle platform, and it will provide a stable foundation for your scope.