Specna Arms x Mancraft CNC eHPA V2 Gearbox Shell – Gold

The Specna Arms x Mancraft CNC eHPA V2 gearbox shell is a premium-grade component engineered for advanced HPA M4/M16 builds. Designed through the collaboration of Specna Arms and Mancraft, this gearbox shell delivers exceptional durability, ultra-lightweight construction, and unmatched precision—ideal for speedsoft, CQB, and high-intensity gameplay.

Machined from a single monolithic block of 7075 T6 aluminum using advanced CNC technology, this shell ensures maximum structural integrity and long-term reliability. The anodized gold finish not only provides a striking aesthetic but also enhances resistance to wear and scratches, even under heavy use.

Performance & Engineering

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

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 demand maximum performance and reliability in every engagement. Whether you're building a competitive speedsoft rifle or optimizing a CQB setup, it provides a rock-solid foundation. Discover more upgrades in our internal parts collection or explore full platforms in our airsoft rifles range. Check out 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	Gold
Weight	107 g
Compatibility Note	For HPA engines (single/dual valve only)