This is what I am doing (ready-to-fly):
DJI-S800/WKM/Z15/Retracts + GensACE 6S 10,000, Secraft gimbal suspension and folding mast bracket (like yours), GH2/14mm w/ lens hood, FPV cam, Stinger 500 downlink Tx, sun reflector and skid foams - but no anti-vibe systems = 7261g.
I would say that...