UMP45 and HK416 from Girls Frontline in a city HD Wallpaper

Four anime girls stand in a ruined city environment. The girl in the foreground on the right has long silver hair and holds an assault rifle. The girl in the foreground on the left has blonde hair and also holds a rifle. Two other girls stand behind them, one with short silver hair and a beret, the other with braided silver hair and a beret.