Mechlabs Nexxus SA engine Aster Compared to some small tracers

Compared to some small tracers like Brighter C or Lighter S which supports green tracer BB only

Enlarged magazine release

Rotary style hopup

has a forward biased nozzle and fires from a true closed bolt

Mechlabs Nexxus SA engine Aster Compared to some small tracersMechlabs brings you the Nexxus series engine for the M4 AR15 platform. The Nexxus is a full mechanical engine capable of firing in Sem Automatic and Full automatic with flip of the selector. No need for batteries just hook up your HPA tank and you are ready to rock. It also boasts an Ultra Fast trigger pull and is very efficent on air up to 3000+ shots with a full 48 4500 tank. The Nexxus engine comes ready to attach to your external HPA regulator set