Specna Arms x Mancraft CNC eHPA V2 Gearbox Shell – Black

The Specna Arms x Mancraft CNC eHPA V2 gearbox shell is a top-tier upgrade designed for advanced airsoft players building high-performance HPA M4/M16 platforms. Developed through the collaboration of Specna Arms and Mancraft, this gearbox shell delivers exceptional durability, precision, and lightweight construction—perfect for speedsoft, CQB, and dynamic gameplay scenarios.

Machined from a monolithic block of 7075 T6 aluminum using precision CNC technology, this shell represents the highest standards of engineering in its class. The result is a rigid, ultra-strong structure that maintains perfect alignment and reliability even under intense use.

Performance & Engineering

• Designed for HPA systems – compatible with single and dual-valve engines
• Monolithic CNC construction – maximum structural integrity
• 7075 T6 aluminum – superior strength-to-weight ratio
• Reinforced design – increased thread durability and stainless steel inserts
• Precision alignment system – adjustable fit inside the replica body
• Anodized finish – enhanced resistance to wear and scratches

Compatibility

• Compatible with TM / VFC standard
• Fits most M4/M16 airsoft bodies
• Supports HPA single and dual-valve engines

This gearbox shell is built for players who expect uncompromising performance and reliability in every match. Whether you're assembling a competitive speedsoft build or a precision CQB setup, this component provides a rock-solid foundation. Explore more upgrade parts in our internal parts collection or browse complete platforms in our airsoft rifles range. Discover more high-end components from Specna Arms.

Specifications

Product Type	eHPA V2 Gearbox Shell
Compatibility	M4/M16 TM/VFC standard (HPA only)
Material	CNC 7075 T6 Aluminum
Construction	Monolithic block
Colour	Black
Weight	107 g
Compatibility Note	For HPA engines (single/dual valve only)