30 mm caliber
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The 30 mm caliber is a range of autocannon ammunition. It includes the NATO standardized Swiss 30×173mm, the Soviet 30×155mmB, 30×165mm and 30×210mmB, the Czechoslovak 30×210mm, the Yugoslav 30×192mm,
Size comparison between 30×170mm (left), a One Pound Coin (middle) and 5.56x45mm NATO (right)
Soviet 30×165mm
The DU penetrator of a 30×173 mm round used in the GAU-8
French 30×150mmB
GAU-8 Avenger
Videos
The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily and most famously mounted in the United States Air Force's Fairchild Republ
30 mm caliber
…Switzerland Oerlikon Revolver cannon Saab 37 Viggen KCE Switzerland Rheinmetall Air Defence Revolver cannon Rheinmetall Sea Snake turret, Skyranger 30 GAU-8 Avenger United States General Electric Gatling gun Fairchild Republic A-10 Thunderbolt II, Signaal Goalkeeper CIWS Mk44 Bushmaster II United States Alliant…
The GAU-8/A Avenger's barrel and breech assembly
GAU-8 closeup
30×173 mm round next to a .30-06 Springfield for comparison
GAU-8 mounted in A-10