Brand: 5KU

5KU is a well-known manufacturer of airsoft accessories and upgrade parts, specializing in high-quality and innovative components. The brand has built a strong reputation particularly for its metal external parts, rail systems, receiver components, and tactical accessories.

The 5KU product range covers a wide variety of parts for AK, AR/M4, Hi-Capa, and 416-style airsoft platforms. The lineup includes CNC-machined handguards, folding stocks, Picatinny and M-LOK rail systems, muzzle devices, tracer units, as well as slide and frame sets. Many products are styled after well-known real firearm components, offering a modern and realistic appearance specifically for airsoft use.

A common feature across 5KU products is CNC-machined aluminum construction, solid finishing, and strong value for money. The brand focuses primarily on external upgrades that enhance ergonomics, modularity, and overall aesthetics without adding unnecessary weight.

Whether you are building a modern M4 setup, upgrading an AK platform, or customizing a Hi-Capa pistol, 5KU provides a wide selection of solutions for airsoft enthusiasts who value durability, compatibility, and refined design.