Amongst the PCC AEGs in the market, the G&G ARP9, which is now on its third iteration, rules the roost. Will the EMG Helios UDP-9 AEG be its tough challenger? Or do you think there are other better PCC AEGs that give the ARP9 a run for its money? Kraken Airsoft tries the EMG Helios UDP-9 which can be found at Evike.com and other retailers.