Description
If you already own a Harris bipod and want to run it on a Picatinny rail, this GG&G adapter is the bridge you're looking for. It gives your bipod a standard swivel stud interface locked into a fixed position, so once you clamp it down there's no rocking, no wobble, and no fussing with adjustments in the field. Folks who've run it on everything from an AR-15 to an AR-10 consistently point to the same thing: a tight, solid lockup that stays put even under heavier recoil.
What Makes the GG&G Harris Bipod Adapter Worth It
The body is machined from solid billet 6061-T6 aluminum and finished with a Type III hard anodize in a matte black, non-reflective coat. The steel hardware gets a manganese phosphate treatment to match. It's a genuinely small piece, tipping the scale right around 2 ounces and measuring about 2 1/4 inches long, so it adds almost nothing to your rifle's balance. The clamping side bar is recessed into the body for a clean, snag-free profile, and the counter-sunk locking cross bolt keeps everything low and tidy.
Installing the GG&G Adapter and Living With It
Setup is about as simple as it gets. It clamps onto a Picatinny or MIL-STD-1913 rail with a single cross bolt, and most people have it mounted in under a minute. The full-surface contact against the Harris bipod interface is really the heart of the design, giving you that gap-free, no-slip fit that makes a difference when you're trying to shoot consistent groups off a bench or in the prone.
One of the best parts is the freedom to move a single Harris bipod between multiple guns without buying a dedicated rail-ready model for each one. It's a practical, no-nonsense piece of American-made kit backed by a lifetime warranty, and it does exactly what a good adapter should: disappear into the background and just work.
Key Specifications
- Manufacturer: GG&G, Inc.
- Model: Harris Bipod Adapter
- Manufacturer Part Number: GGG-1388
- UPC: 813157002281
- Color: Black
- Product Type: Mount
- Fit: Picatinny / MIL-STD-1913 Rail
- Material: Solid Billet 6061-T6 Aluminum
- Aluminum Finish: Type III Hard Anodized, Matte Black Non-Reflective
- Steel Hardware Finish: Manganese Phosphate, Matte Black
- Weight: Approx. 2 oz
- Overall Length: 2 1/4 inches
- Swivel Stud: Standard, Stationary/Fixed Position
- Country of Origin: Made in USA
- Warranty: Lifetime
What’s Included
- GG&G Harris Bipod Adapter (GGG-1388)
- Mounting hardware
Frequently Asked Questions
Will this adapter work with my Harris bipod?
Yes, this is built specifically to fit Harris and Harris-style bipods that use a standard swivel stud interface. The adapter makes full surface contact with the bipod's mounting surface, so you get a gap-free, no-slip fit. Popular models like the Harris 1A2 mate up perfectly.
How does the GG&G Harris Bipod Adapter attach to my rifle?
It clamps directly onto a Picatinny or MIL-STD-1913 rail using a single counter-sunk locking cross bolt. Installation takes about a minute with just a screwdriver, and the recessed clamping bar holds solid even on undersized or slightly worn rail slots. When it's tightened down, the bipod won't slip or wobble.
Is it a quick-detach setup?
No, this is a fixed clamp-on design rather than a lever-actuated quick-detach. That trade-off is what keeps it lightweight, low-profile, and affordable while still giving you a rock-solid mount. If you want to swap a single bipod between multiple rifles, you can unbolt and remount it, though it's not meant for constant on-and-off cycling.
What is the adapter made of and will it hold up?
The body is machined from solid billet 6061-T6 aluminum with a mil-spec Type III hard anodized finish, and the steel hardware is manganese phosphated. It's built tough enough to handle recoil from larger platforms like the AR-10 without shifting. GG&G backs it with a lifetime warranty, and it's made in the USA.






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