The Weaver #55 Top-Mount Scope Base (Weaver part no. 48055) is machined for the High Standard and Mossberg 680, giving these rifles a factory-tight platform for a riflescope. Weaver cuts the base from aluminum alloy and finishes it in a black gloss that matches most factory blued receivers. Because it’s machined to the exact screw pattern of these rifles, it bolts straight to the factory holes with no drilling or gunsmithing required. This is the correct base to start with if you’re mounting glass on a High Standard or Mossberg 680 for hunting or the range.

Key Specifications

• Purpose-built to fit the High Standard and Mossberg 680, matching each receiver’s factory-drilled screw pattern.
• Listed as a 1-piece base, so a single component bridges the full mounting area.
• Positioned as the rear base on the receiver for correct scope eye relief.
• Uses Weaver’s To Receiver mount style, bolting directly to the factory tapped holes.
• Finished in black gloss to match most blued rifle receivers.
• Machined from aluminum alloy for a lightweight, corrosion-resistant base.
• Requires Weaver-style rings to complete the mount.
• Ships with rings not included, so pair it with your own Weaver-style rings.
• Cross-references as Weaver Application #55 on the brand’s official fit chart.
• Ships at a featherlight 0.025 lb, adding almost nothing to your order.

Frequently Asked Questions

What rifles does this base fit? It’s machined for the High Standard and Mossberg 680, listed under Weaver’s Application #55.

Are scope rings included? No, this is the base only; pair it with a set of Weaver-style rings to finish the mount.

Where does this base sit on the receiver? It’s the rear base position, so it’s designed to sit toward the back of the receiver for correct eye relief.

Buy the Weaver #55 Top-Mount Scope Base for High Standard and Mossberg 680

A base machined to the exact receiver pattern keeps a scope tracking true shot after shot, and this Weaver #55 bolts straight to a High Standard or Mossberg 680 with no modification. Order it from our Lubbock, Texas gun shop and it ships fast to your door, along with more scope bases and mounting hardware.