Matrix Calico Jack Advanced Carbine

Features the new "Falcon" version 2 gearbox, complete with quick change spring, 8mm steel bearings, and a rotary-style hop-up Falcon electronic control system can control fire mode and trigger pull as well as provide battery and motor protection Ambidextrous fire controls provide comfortable use for both righty and lefty shooters M-LOK slots around the handguard run the entire length for easy attachment of accessories and tactical devices Advanced-style metal receiver features additional ambidextrous controls to make the shooting experience even smoother, whether shooting left- or right-handed! Retractable M4 stock allows for a custom ergonomic fit while still providing buffer tube space for batteries FPS: 380-410