To access the base project of the m13b "Hazardous" it is necessary to complete the story mission of the Crown faction lvl 4 and unlock the gold camouflage of the weapon. #mw2 #cod #mw2dmz #callofduty #dmz #season2 #warzone2 #codmw2 #chemistry #Chemist #m13b #hazardous #Peligroso #weaponcase #gold #meta #metawarzone