WW2 1942 British Dated 20mm Oerlikon Ammunition Shell Casing in

WW2 German, Soviet, Allied militaria, uniforms, awards, weapons history. War relics forum

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WW2 1944 British Dated 20mm Oerikon Ammunition Shell Casing

WW2 1942 British Dated 20mm Oerlikon Ammunition Shell Casing in Ammunition

Help with trench-art cigarette lighter components - General Ammunition Discussion - International Ammunition Association Web Forum

Anti-aircraft installations created on the basis of 20-30-mm German aircraft guns during the Second World War

WW2 1942 US Dated 20mm Ammunition Shell Casing in Ammunition

WW2 1942 British Dated 20mm Oerlikon Ammunition Shell Casing in Ammunition

WW2 1942 British Dated 20mm Oerlikon Ammunition Shell Casing

How effective were 30 caliber machine guns as a fighter armament in early-mid WW2? How many were needed to be effective against fighters? Which fighters could/did fire a mixed armament separately?

20x110mm Oerlickon A.G.-1942 U anchor S 20-M.M.-MK-2 - General Ammunition Discussion - International Ammunition Association Web Forum

Cartridge case terminology and identification – Stephen Taylor, WW2 Relic Hunter

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Heavy Ordnance Catalog