HPA Adapter Hi-Capa to M4 (Angled)

An angled HPA adapter designed for Hi-Capa and compatible platforms, enabling the use of M4 AEG magazines in a compact, low-profile configuration. Ideal for competitive and CQB play, it combines increased capacity with improved ergonomics and handling.

Product Features:

• Impact-resistant polymer construction for durability in high-use environments
• Angled magazine layout reduces overall vertical height and improves mobility
• High flow valve provides consistent air delivery and reliable cycling
• Compatible with Hi-Capa, SSP5, and similar gas blowback platforms
• Designed for use with standard M4 AEG magazines
• Optimised for high-quality mid-cap magazines for reliable feeding
• Ergonomic angled design improves wrist positioning and control
• Low-profile configuration reduces snagging and improves movement
• Modular top system allows platform-specific compatibility
• Plug and play design with no donor parts or assembly required

The HPA Adapter Hi-Capa to M4 (Angled) is engineered to deliver a refined, performance-focused solution for Hi-Capa and similar gas blowback platforms. By repositioning the M4 magazine into an angled configuration, the adapter reduces the overall vertical footprint of the setup, creating a more compact and agile platform suited to high-speed gameplay.

This design is particularly effective in CQB and competitive environments, where reduced profile and fluid weapon handling provide a clear advantage. The angled orientation improves ergonomics by aligning the magazine with the natural wrist position, resulting in more comfortable use and quicker, more intuitive reloads.

Constructed from durable, impact-resistant polymer, the adapter is built to withstand regular skirmish use while maintaining consistent performance. The integrated high-flow valve system ensures stable air output, supporting reliable shot-to-shot consistency across a range of setups.

Compatibility with standard M4 AEG magazines significantly increases ammunition capacity compared to traditional gas magazines, allowing for longer engagement periods without interruption. This makes the adapter a strong choice for players prioritising sustained performance and efficiency.

Delivered as a plug and play unit, the adapter is ready to use straight out of the box with no need for donor parts or assembly, offering a simple upgrade path for HPA conversion.

Brand Statement:

AirTac specialise in developing high-performance HPA conversion systems for airsoft enthusiasts seeking consistent, efficient, and adaptable performance. Their focus on precision engineering and robust construction ensures every product delivers dependable field use, intuitive function, and lasting value.

Safety Information:

Do not exceed 150 PSI when operating any airsoft HPA adapter Always use air regulated by a secondary regulator Check PSI output before connecting air to the adapter Do not connect directly to unregulated air sources, CO2 systems, or high-pressure tanks Do not use with incompatible high-pressure air lines or fittings Always ensure correct setup and operation before use