SIG SAUER MCX Virtus AEG Gun Sights Replaces your original hop up

Replaces your original hop up chamber with an easy install

Quick Change Spring system gearbox

Another cool feature about this gun: it can switch to full-auto

when you are firing from the hip

Class II laser

SIG SAUER MCX Virtus AEG Gun Sights Replaces your original hop upSIG SAUER MCX Virtus AEG Gun. Awesome all metal airsoft AEG gun. Lots of features including M Lok rail, collapsible stock, upgraded parts, etc. VFC Avalon mosfet gearbox. Uses any M4 magazines FPS 390 w . 20g BBs Battery and charger not included. Uses 11. 1v nun chuck style tamiya. The gun is wired to small tamiya, so ensure that the batteries you have are either wired to small tamiya, or have an adapter (female small tamiya to male deans).