Moaihobby announce that a special price for the PTS Mega Arms MKM AR15 GBB Premium Version Dark Earth, now offering it at US$480 as compared it to their previous price of US$580... "The PTS Mega Arms MKM GBBR series of guns are variation based on the M4/AR-15 platform. The Mega Arms GBBR (Airsoft Gas Blowback Rifle) represents the continued evolution of Airsoft guns as training systems.