- G&G arp9 gold edition - Polarstar t2 engine - Titan 350mah 7.4v battery - PolarStar Airsoft MRS "Modular Regulator System" Air Rig - Ninja 48/3000 HPA System Aluminum Tank - Novritach suppressor (with foam) - Speed Airsoft HPA M4 Tunable Trigger (black, blade style, safety still works) - Amped airsoft hpa grip line Asking $600 ($550 without air tank setup) Bought all this a while ago and never used it only put it all together, sick build but i never used it. I have the box for the arp9 and f2 engine. No trades, will answer any questions.