The firearms that were used in the 1965 BBC television movie The War Game include the following...
M1 Carbine
World War Two Era M1 Carbine
L1A1 Self Loading Rifle
British Inch Pattern L1A1 SLR (Self Loading Rifle) chambered in 7.62 Nato - Variation of the FN FAL rifle.
Lee-Enfield No.4
Lee-Enfield No.4 Mk.I - .303 the most common World War Two Rifle, in service between 1941–Present
M1 Garand
M1 Garand semiautomatic Rifle with leather M1917 sling - .30-06
Webley revolver
Sten submachine gun
PPSh-41 submachine gun
Soviet PPSh-41 Submachine Gun - 7.62x25mm Tokarev
SKS carbine
Russian Simonov Type 45 aka the SKS rifle - 7.62x39mm