CNC-machined adapter converts 3/8-inch mounting bases to Weaver-style rails. Matte black anodized finish. Works with rifles, shotguns, and crossbows.
This precision-engineered adapter solves a common problem for shooters: converting older 3/8-inch dovetail or base mounts to modern Weaver-compatible rails.
If you own a firearm or crossbow with a 3/8-inch mounting base but want to use modern optics designed for Weaver rails, this adapter bridges that gap. The integrated recoil lug ensures your scope or red-dot sight stays zeroed through repeated shooting sessions.
The adapter mounts directly to your existing 3/8-inch base and accepts any standard Weaver-mounted optic. Installation is straightforward and requires only basic tools. The included mounting bolts provide a secure, repeatable hold.
Classic rifles, vintage shotguns, crossbows, and any firearm with 3/8-inch dovetail mounts that you want to upgrade with modern optics.