EPes HPA adaptor reduction for GHK magazines M4/AK

Designed for airsoft players running HPA systems with GHK GBB magazines, this adaptor reduction delivers a precise, modular solution for M4/AK configurations. It mates cleanly with WE/KJW‑style HPA adaptors and supports Mk.II and SCHPA adapters, enabling flexible upgrades without swapping magazines.

• Thread Compatibility: M5 thread enables direct fitting with WE/KJW type HPA adapters, reducing the need for additional adapters.
• Magazine Compatibility: Optimized for GHK GBB magazines and variants for GHK AK and AR‑15/M4 magazines when used with HPA systems.
• Material & Finish: Made from 7075‑T6 Duralumin with an anodized surface for high strength, corrosion resistance, and long‑lasting durability.
• Adaptor Integration: Designed to pair with Mk.II and SCHPA adapters, offering a modular upgrade path within WE/KJW ecosystems.
• Manufacturing Origin: Proudly produced in the Czech Republic to exacting standards for reliable performance.
• Package Contents: Includes the selected reduction piece and the necessary O‑rings for a secure, leak‑free installation.
• Sealing & Tolerances: Precisely machined to ensure a tight seal when mated with HPA adaptors, minimizing air loss during operation.

The reduction provides a stable, sealed interface between GHK magazines and HPA adaptors, enabling consistent air pressure and reliable shot performance. Its robust construction and thoughtful compatibility reduce setup headaches, making it easier to upgrade or customize your loadout. With OEM-level build quality and Czech craftsmanship, it’s a practical, durable option for players who rely on GHK mags in HPA configurations and want a clean, modular upgrade path.