Weaver 99473 Extended Multi-Slot Picatinny Base – Browning AB3

This Weaver 1-piece extended multi-slot base is designed to mount optics securely to Browning AB3 short-action receivers while offering additional forward rail space for varied ring positions. It is compatible with both Picatinny and Weaver-style rings and is finished in a matte, Type III hard coat anodize. The base provides an extra inch of forward length to expand mounting options without adding unnecessary bulk.

Key Specifications

• Constructed from 6061-T6 aluminum for a balance of strength and light weight.
• Finished with a Type III hard coat matte black anodize for corrosion resistance and low reflectivity.
• Compatible with Picatinny and Weaver-style rings for broad accessory support.
• Provides an additional 1 inch of forward length for expanded ring placement options.
• Designed specifically for the Browning AB3 short action application.
• Overall length listed as 10.4 inches in product specifications.
• Overall width listed as 3.8 inches in product specifications.
• Overall height listed as 1.0 inch in product specifications.
• Rings are not included and require Weaver-style or Picatinny rings to complete the mounting solution.

Engineered for shooters who need a reliable, low-profile mounting platform, this Weaver extended multi-slot base offers precise alignment and expanded scope placement on compatible short-action rifles. Its one-piece construction and durable finish make it a practical choice for hunting and precision shooting setups where consistent, repeatable optic mounting is required.