FCW x SIG AIR MCX RATTLER AEG BK Custom
 
Fully Licensed Cybergun SIG SAUER MCX AEG
MCX RATTLER Custom From Virtus Design 
MCX RATTLER Full Marking 
Artisan Short MLOK Rail System
Features a Quick and Easy Attach M-LOK Rail and PEQ.
Equipped with a SIG-style metal folding stock
Compatible with Standard M4 AEG Rifle Magazine