Introducing the new ZERO Cap, designed exclusively for X-MOD and NEXXUS mechanical HPA engines. This upgrade allows the ROTO Hop-Up chamber to connect directly to your-MOD or NEXXUS, ensuring perfect alignment and eliminating frustrating alignment issues. Spend less time troubleshooting and more time enjoying your setup!
 
The ZERO is also compatible with select MAXX Hop-Up chambers using inlet adapters.