The Weaver Top Mount Base #16 (brand part no. 48016) is a two-piece scope base machined from aluminum and finished in black gloss, built to share the #16 mounting pattern common to select Remington, Winchester, and Mossberg bolt-action rifles. Weaver holds the base to tight tolerances for a custom, snug fit at the receiver, so your rings sit square instead of fighting a sloppy base-to-rail interface. Because it’s a two-piece design, the front and rear bases mount independently to match the receiver’s separate tapped holes. This base is sold on its own; rings are a separate purchase.

Key Specifications

• Machined from aluminum with a black gloss finish.
• Machined to tight tolerances for a custom fit at the receiver.
• Built for maximum ring-clamping strength so rings hold tight.
• Configured as a 2-piece base set.
• Combined base length of about 8.10 in.
• Built for bolt action rifles.
• Mounts directly to the receiver.
• Uses the #16 application pattern, common to select Remington, Winchester, and Mossberg bolt actions.
• Requires Weaver-style rings, which are not included.

Frequently Asked Questions

Are rings included? No. This is the base only; Weaver-style rings are sold separately.

What rifles does the #16 base fit? It’s built for the #16 mounting pattern shared by select Remington, Winchester, and Mossberg bolt-action rifles.

Is this a one-piece or two-piece base? Two-piece — the front and rear bases mount independently.

Buy the Weaver Top Mount Base #16

Get a square, tight-tolerance base under your rings with the Weaver Top Mount Base #16. Order it from our Lubbock, Texas gun shop for fast, direct shipping, and browse more scope bases from the full Weaver lineup we carry.