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Transform your MP9 into a high-performance HPA platform.
Take your CQB game to the next level with the AirTac KWA/KSC/ASG MP9 / TAC-9 M4 Magazine HPA Adapter. Designed for airsoft players who demand speed, consistency and versatility, this plug-and-play adapter allows you to run your compatible MP9 platform using M4 AEG magazines and an HPA air system.
Say goodbye to constantly reloading low-capacity magazines and enjoy the freedom of running your preferred M4 magazine setup. Whether you're pushing aggressively through tight CQB environments or keeping the pressure on during intense skirmishes, this adapter offers a practical upgrade for players looking to get more from their loadout.
Key Features
Plug & Play Design: Ready to use straight out of the box, with the valve, feed lips and gas router already installed. No donor magazine or additional assembly required.
M4 Magazine Compatibility: Run compatible M4 AEG magazines for a more versatile and convenient ammunition setup.
HPA Compatibility: Connect to a suitable regulated HPA system for a consistent air supply throughout your game.
Built for Skirmishing: Ideal for aggressive playstyles, fast-paced CQB and players who want to spend less time changing magazines.
Durable Construction: Designed with durability and reliable feeding in mind, making it a great addition to a dedicated HPA setup.
Modular Platform: Compatible with AirTac's modular base system, giving you options to change your magazine configuration as your playstyle evolves.
Why Choose the AirTac MP9 HPA Adapter?
If you love the compact size and manoeuvrability of the MP9 but want the convenience of M4 magazines, this adapter brings the two together. Pair your compatible replica with your preferred M4 magazine and regulated HPA setup to create a streamlined platform built around your style of play.
It's an excellent upgrade for experienced HPA users and airsoft enthusiasts looking to customise their loadout for competitive skirmishes and fast-paced indoor games.
Fitting: US Foster HPA fitting supplied as standard; alternative fittings may be available separately.
Important Information
A suitable HPA tank, line and secondary regulator are required and are not included unless stated otherwise. Always check compatibility with your specific replica and magazine, and ensure your regulator pressure and replica output comply with your site's limits. Never exceed the manufacturer's maximum pressure of 150 PSI, and always use a properly regulated HPA system.
Upgrade your MP9 setup with AirTac at BZ Tactical and get ready for your next skirmish.