Specna Arms x Mancraft CNC eHPA V2 Gearbox Shell – Red

The Specna Arms x Mancraft CNC eHPA V2 gearbox shell is a high-end component engineered for demanding players building advanced HPA M4/M16 replicas. Developed through the collaboration of Specna Arms and Mancraft, this gearbox shell delivers exceptional durability, ultra-lightweight performance, and precision engineering, making it ideal for speedsoft, CQB, and competitive gameplay.

Machined from a single monolithic block of 7075 T6 aluminum using CNC technology, this shell guarantees outstanding structural integrity and long-term reliability. The anodized red finish not only provides a bold aesthetic but also enhances resistance to wear, scratches, and intensive use on the field.

Performance & Engineering

• Designed for HPA systems – compatible with single and dual-valve engines
• Monolithic CNC construction – maximum rigidity and durability
• 7075 T6 aluminum – excellent strength-to-weight ratio
• Reinforced design – improved thread durability and stainless steel inserts
• Precision alignment system – adjustable positioning within the replica body (screws included)
• Anodized finish – increased resistance to wear and abrasion

Compatibility

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

Built for players who demand maximum reliability and performance, this gearbox shell is the perfect foundation for competitive HPA builds. Upgrade your setup with components from our internal parts collection or explore complete platforms in our airsoft rifles range. Discover more premium upgrades 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	Red
Weight	107 g
Compatibility Note	For HPA engines (single/dual valve only)