Mostly Action Force:
Top left: not sure
Middle left: Series 2 Z-Force Quarrel Crossbow
Bottom left: Series 2 SAS Commando machine gun (barrel snapped off)
Top right: Series 1 Commando/ Naval Assault machine gun
Middle right: Series 2 Black Major Kalashnikov
Middle/bottom right: Series 1 SAS/Night Patrol machine gun + Series 2 SAS machine gun