Mechlabs brings you the Nexxus series HPA engine for the M4/AR15 platform. The Nexxus is a full mechanical engine capable of firing in Semi-Automatic and Full-Automatic with a simple 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 efficient 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 up, but if you'd like to run a shoulder stock tank, Mechlabs has a kit that has a regulator built-in that would complement a stock tank perfectly. Jump aboard the HPA revolution train with Mechlabs!
*Only compatible with Mechlab's HPA regulator series due to the Nexxus engine being too powerful for standard market regulators to enable full functionality.*
Disclaimer - As the lubricant used for the Nexxus HPA engine may have solidified due to prolonged idling periods, you may need to break in the engine by dry firing repeatedly IN SEMI-AUTO, NOT FULL-AUTO, in order for its components to cycle.
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