**PRE-ORDER**AS HELDEN HR556 10" S-HPA (BLACK) HPA AIRSOFT REPLICA

Features

• Mechanical HPA operating platform
• 10" rifle configuration
• MechLabs XX-Mod mechanical HPA engine
• T6 aluminium and reinforced polymer receiver set
• Receiver alignment designed specifically for the mechanical HPA system
• Aluminium lower handguard
• M-LOK interface system
• 4 M-LOK slots at 3 and 9 o'clock positions
• 5-slot lower accessory rail section at 6 o'clock

Features

• 20mm flat-top for optic attachments
• Full-auto firing capability
• Battery-free operation
• No ETU system required
• Plug-and-play HPA functionality
• Slim and lightweight external design
• Adjustable performance tuning system
• Adjustable travel distance
• Adjustable air consumption
• Adjustable RPS settings
• Designed for easy maintenance access
• Made in Taiwan

Long Description

The Airsoft Helden HR556 10" Black S-HPA is a mechanically operated HPA airsoft rifle platform developed from years of direct player interaction, event feedback and real-world gameplay experience gathered through Airsoft Helden events across Europe.

Rather than focusing on electronics-heavy systems or complicated setup procedures, the HR556 was designed around a clear philosophy: dependable mechanical performance, efficient HPA operation and simplified maintenance. The platform removes the need for batteries and electronic trigger systems, allowing players to connect their HPA setup and focus directly on gameplay.

At the centre of the system is the MechLabs XX-Mod mechanical HPA engine, developed to provide consistent firing performance with user-adjustable tuning options. The system supports travel distance adjustment, air consumption tuning and RPS configuration, allowing players to fine-tune the rifle around their preferred shooting characteristics while maintaining a mechanically driven operating system.

The receiver set combines T6 aluminium with reinforced polymer construction, specifically engineered around the alignment requirements of the mechanical HPA engine. This construction approach helps maintain structural stability while keeping the platform slim and lightweight for practical use during longer gameplay sessions.

The aluminium lower handguard features an integrated M-LOK mounting system with four M-LOK interface positions at the 3 and 9 o'clock sections, alongside a 5-slot lower accessory rail at the 6 o'clock position. This layout allows users to configure grips, lights and additional accessories while maintaining a clean and streamlined external profile. The 20mm flat-top rail provides plenty of real-estate for game enhancing optics.

Airsoft Helden positions the HR556 as more than simply another rifle release. The platform was shaped through direct community involvement, player testing and continuous development feedback throughout the prototype phase leading into its official launch at IWA 2026. The result is a mechanical HPA platform designed around practical airsoft use, serviceability and adaptable field performance.

Brand Statement

Airsoft Helden is one of Europe's leading airsoft event and community brands, built around immersive gameplay, player-driven experiences and real-world field insight. With over 14 years of involvement in the airsoft industry, Airsoft Helden combines large-scale events, community engagement and product development to create equipment and experiences shaped directly by active players and practical gameplay requirements.

Features

• Large-scale European airsoft event organiser
• Creators of the Dark Emergency airsoft event series
• Player-driven product development philosophy
• Focused on immersive and realistic gameplay experiences
• Strong community and social media presence
• Developed through real-world gameplay feedback
• Performance-focused airsoft equipment and platforms
• Partnership with MechLabs mechanical HPA systems
• Emphasis on reliability, usability and field practicality
• Designed by active airsoft players for active gameplay