I am selling this superb Sig MCX converted into a Rattler,
Folding stock and rattler M-Lok handguard from Airsoft Artisan, motor grip from PTS, a QD suppressor with its flash hider, Umarex red dot sight with a riser, three mid-cap magazines, and an 11.1V battery small enough to fit in the handguard—that covers the accessories included and the external modifications.
Internally, there's an Aster 2 Bluetooth module that boosts its testosterone levels! (PIN code on the stock)

