AirTac x Maxx ATPRO-2 M4 Hopup Chamber

The ATPRO-2 Blackout Edition - the first Maxx hopup to be offered with complete black anodizing.

The ATPRO-2 design is updated to the latest generation of Maxx Hopups (M4E), and works perfectly for both HPA and AEG builds! (+-1 fps deviation and consistent performance.)

The Blackout edition comes in a sleek black anodized aluminum so you can shoot good and look better.

This AirTac ATPRO-2 M4 Hopup Chamber includes:

ATPRO-2:

• BB pre-position seating for more consistent shots
• Tighter tolerances for better feeding and airseal
• Complete CNC construction with Black Anodized finish
• Extra brass spacers to adjust nozzle length for HPA or AEG replicas
• Perfect for standard M4 builds (including AirTac CRBN Uppers)
• Accepts standard AEG buckings and barrels

Compatibility:

• Accepts 21.00mm to 21.25mm nozzle lengths
• Full compatibility with all AEG buckings