ZERO Alignment Cap for ROTO Hop-Up

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 X-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.

Blue ZERO Alignment Cap fitted to a MECH Labs inner barrel assembly

Close-up of the blue ZERO Alignment Cap on a MECH Labs hop-up unit

MECH Labs HPA engine, ROTO chamber and ZERO Alignment Cap assembled together

ZERO Alignment Cap joining a ROTO hop-up chamber to a MECH Labs HPA engine