Kuna Rail Extension – 3.75″

SKU: SAK5-MK1-010Categories: Other KDG Products, Kuna Accessories

$241.98

The factory Springfield Kuna handguard doesn’t leave enough room for a proper grip, so we built what it was missing. Our 3.75-inch Type III hardcoated extension cleanly swallows your suppressor and gives your support hand the exact real estate it needs to drive the gun.

-Launching in December-

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Expand Your Real Estate with the Kuna Rail Extension – 3.75″

Your support hand shouldn’t be fighting your weapon lights for space. Ever. The KDG Kuna Rail Extension is built for shooters who are done dealing with a cramped factory forend. Made specifically for the Springfield Kuna, this extension transforms your compact platform into a fully modular, suppressor-ready driver without adding unnecessary bulk.

What Makes the Kuna Rail Extension Stand Out?

  • Critical Hand Real Estate: Adds 3.75 inches of pure, usable mounting space to your forend, bringing your setup to a functional 7 inches of overall length so you can comfortably stretch out your grip.

  • Keep Your Backups: Features a precision-machined clearance cutout designed specifically to accommodate front fold-down sights, keeping your backup zeros functional and out of the way.

  • Surrounded by Mounting Options: Equipped with a solid Picatinny rail on top for switches and laser modules, paired with clean M-LOK slots on the bottom and both sides for lights and grips.

  • Suppressor-Ready Clearance: Built with a generous 1.85″ diameter, leaving plenty of room to tuck your favorite can neatly inside the rail for a seamless, low-profile look.

Why Choose the Kuna Rail Extension?

  • Drive the Gun Flatter: Get your support hand further down the handguard where it belongs for better muzzle control, faster transitions, and protection from forward muzzle blast.

  • Flat and Intentional Design: Precision-machined from rugged 6061-T6 aluminum and finished with a Type III hardcoat anodize. No jargon pileups or corporate weasel words here—just pure functional dominance.

  • You Had a Problem, We Solved It: The factory handguard was short on real estate. We don’t follow the market; we build what it’s missing, engineer it to look better, and make sure it can take a beating.

Specifications

  • Extension Length: 3.75 inches

  • Overall Length: 7 inches

  • Inner Diameter: 1.85 inches

  • Material: 6061-T6 Aluminum

  • Finish: Anodized Type III Hardcoat

  • Top Interface: Picatinny Rail

  • Side & Bottom Interface: M-LOK (Bottom and 2 Sides)

  • Compatibility: Springfield Kuna

  • SKU: SAK5-MK1-010

Included

  • (1) Kuna Rail Extension

  • (2) Clamps

  • (4) Clamp Screws with T-Nuts

  • (4) Rail Screws

Claim Your Grip Real Estate Today!

The KDG Kuna Rail Extension turns your cramped compact into a fully capable driving platform. We build it right the first time.

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