A presentation by Laylax showing the custom parts and upgrades they have available for the SIG Air ProForce MCX Virtus AEG sich as inner barrel tracer unitt and folding rail stock... "SIG SAUER's electric gun "MCX VIRTUS" is equipped with many custom parts of Lyrax !! It is a compact and easy-to-manage 2022 version of MCX complete custom designed for operation in narrow and dark areas such as indoors and CQB fields."