Harris Engineering No. 3 Adapter For Remington Models 4, 74 & 7400

The Harris Engineering No. 3 Adapter is a precision mounting solution for shooters running Remington semi-automatic rifles. If you own a Remington Model 4, 74, or 7400 and want to mount a Harris bipod or other supported shooting accessories, this adapter bridges the gap between your rifle's fore-end and standard attachment hardware. It's a straightforward, USA-made part that lets you upgrade your rifle's stability and ergonomics without permanent modification.

Built with a two-part design—a base and fore-end screw—the No. 3 Adapter is engineered for reliable, repeatable mounting. Harris has been the standard for serious shooters and hunters for decades, and this adapter carries that reputation for durability and precision fit. Whether you're at the bench, on the range, or in the field, a solid rest can mean the difference between a clean hit and a miss.

Installation is straightforward, and once mounted, the adapter provides a stable platform for your bipod or other support gear. If you run one of these Remington models and want to add shooting accessories without gunsmithing, this is the right starting point. Made in the USA, it's the kind of no-nonsense tool that works as hard as you do.

Key Features

• Designed for Remington Models 4, 74, and 7400 semi-automatic rifles
• Two-part construction: base and fore-end screw
• Made in the USA
• Enables mounting of Harris bipods and compatible shooting accessories

Specifications

Frequently Asked Questions

Will this adapter work with my Remington 7400?

Yes. The Harris Engineering No. 3 Adapter is designed for Remington Models 4, 74, and 7400 semi-automatic rifles.

What's included with the adapter?

The adapter consists of two parts: a base and a fore-end screw.

Can I use this to mount a Harris bipod?

The No. 3 Adapter is designed to enable mounting of Harris bipods and compatible shooting accessories to your Remington semi-automatic rifle.